Laborers were trained to handle 50-ton compactors and giant cranes.

工人们接受操作五十压土机和巨型起重机的训练。

The hardest work was assigned to the strongest laborers.

最繁重的工作分配给最强壮的劳工。

A laborer takes a rest on a cinder dumpsite in Changzhi, China.

在中国长治，一名工人在圾场酣睡。

Subject of labor is practice object subsystem, laborer is subsystem of practice main body, labor tool is practice neutretto system, productivity is the integral function that carries out a system.

劳动对象是实践客体子系统,劳动者是实践主体子系统,劳动工具是实践中介子系统,生产力是实践系统的整体功能。

Laborers were trained to handle 50-ton compactors and giant cranes.

们接受操作五十压土机和巨型起重机的训练。

The hardest work was assigned to the strongest laborers.

繁重的作分强壮的劳。

A laborer takes a rest on a cinder dumpsite in Changzhi, China.

在中国长治，一名在煤渣垃圾场酣睡。

Subject of labor is practice object subsystem, laborer is subsystem of practice main body, labor tool is practice neutretto system, productivity is the integral function that carries out a system.

劳动对象是实践客体子系统,劳动者是实践主体子系统,劳动具是实践中介子系统,生产力是实践系统的整体功能。

Laborers were trained to handle 50-ton compactors and giant cranes.

工人们接受操作五十压土机和巨型起重机的训练。

The hardest work was assigned to the strongest laborers.

最繁重的工作分配给最强壮的劳工。

A laborer takes a rest on a cinder dumpsite in Changzhi, China.

在中国长治，一名工人在煤渣垃圾场酣睡。

Subject of labor is practice object subsystem, laborer is subsystem of practice main body, labor tool is practice neutretto system, productivity is the integral function that carries out a system.

劳动实践客体子系统,劳动者实践主体子系统,劳动工具实践中介子系统,生产力实践系统的整体功能。

Laborers were trained to handle 50-ton compactors and giant cranes.

工人们接受操作五十压土机和巨型起重机的训练。

The hardest work was assigned to the strongest laborers.

最繁重的工作分配给最强壮的劳工。

A laborer takes a rest on a cinder dumpsite in Changzhi, China.

在中国长治，一名工人在煤渣垃圾场酣睡。

Subject of labor is practice object subsystem, laborer is subsystem of practice main body, labor tool is practice neutretto system, productivity is the integral function that carries out a system.

劳动对践客体子系统,劳动者践主体子系统,劳动工具践中介子系统,生产力践系统的整体功能。

Laborers were trained to handle 50-ton compactors and giant cranes.

工人们接受操作五十压土机和巨型起重机的训练。

The hardest work was assigned to the strongest laborers.

最繁重的工作分配给最强壮的工。

A laborer takes a rest on a cinder dumpsite in Changzhi, China.

在中国长治，一名工人在煤渣垃圾场酣睡。

Subject of labor is practice object subsystem, laborer is subsystem of practice main body, labor tool is practice neutretto system, productivity is the integral function that carries out a system.

对象是实客子系统,者是实子系统,工具是实中介子系统,生产力是实系统的整功能。

Laborers were trained to handle 50-ton compactors and giant cranes.

人们接受操作五十压土机和巨型起重机的训练。

The hardest work was assigned to the strongest laborers.

最繁重的作分配给最强壮的劳。

A laborer takes a rest on a cinder dumpsite in Changzhi, China.

在中国长治，一名人在煤渣垃圾场酣睡。

Subject of labor is practice object subsystem, laborer is subsystem of practice main body, labor tool is practice neutretto system, productivity is the integral function that carries out a system.

劳对象客体子系统,劳主体子系统,劳具中介子系统,生产力系统的整体功能。

Laborers were trained to handle 50-ton compactors and giant cranes.

工人们受操作五十压土机和巨型起重机训练。

The hardest work was assigned to the strongest laborers.

最繁重工作分配给最强工。

A laborer takes a rest on a cinder dumpsite in Changzhi, China.

在中国长治，一名工人在煤渣垃圾场酣睡。

Subject of labor is practice object subsystem, laborer is subsystem of practice main body, labor tool is practice neutretto system, productivity is the integral function that carries out a system.

动对象是实践客体子系统,动者是实践主体子系统,动工具是实践中介子系统,生产力是实践系统整体功能。

Laborers were trained to handle 50-ton compactors and giant cranes.

工人们接受操作五十压土机和巨型起重机的训练。

The hardest work was assigned to the strongest laborers.

最繁重的工作分配给最强壮的劳工。

A laborer takes a rest on a cinder dumpsite in Changzhi, China.

在中国长治，一名工人在煤渣垃圾场酣睡。

Subject of labor is practice object subsystem, laborer is subsystem of practice main body, labor tool is practice neutretto system, productivity is the integral function that carries out a system.

劳是实践客体子系统,劳者是实践主体子系统,劳工具是实践中介子系统,生产力是实践系统的整体功能。

Laborers were trained to handle 50-ton compactors and giant cranes.

人们接受操作五十压土机和巨型起重机的训练。

The hardest work was assigned to the strongest laborers.

最繁重的作分配给最强壮的。

A laborer takes a rest on a cinder dumpsite in Changzhi, China.

在中国长治，一名人在煤渣垃圾场酣睡。

Subject of labor is practice object subsystem, laborer is subsystem of practice main body, labor tool is practice neutretto system, productivity is the integral function that carries out a system.

对象是实践客体子系统,者是实践主体子系统,具是实践中介子系统,生产力是实践系统的整体功能。