The article recommends the technique arguments of the wafery excavator and the technics of building antiseep concrete wall using by it.

摘要介绍了薄型抓斗的技术参数及薄型抓斗建造混凝土防渗墙的主要施工工艺。

Many parameters are required to describe their performance, which is transmission ratio, extinctivity ratio, angle of view field, splitting angle, etc.

激光偏光棱镜技术参数较多，透射、消光、视、束、度孔。

Development course of reeler is reviewed,the functions,structure,features and controlled sys-tems of reeling technical parameters of state-of-the-art reeler are introduced in this paper.

本文叙述了卷纸机的发展历程,介绍了现代卷纸机的性能、结构、特征和卷纸技术参数的调控系统。

This kind of Incubator can be equipped selectively according with user: double walls hood, motorize cabinet etc; it also can change some technical date properly according with the standard.

本产品可根据用户需要配置双层恒温罩、升降式机脚部件，也可在标准允许范围内对部技术参数进行适当改进。

This kind of Incubator can be equipped selectively according with user: motorize cabinet, neonate phototherapy unit etc, it also can change some technical data properly according with the standard.

本产品可根据用户需要配置升降式机脚、新生儿黄疸治疗仪部件，也可在标准允许范围内对部技术参数进行适当改进。