NIB-SEAL on sweat ball valves are shipped unassembled.
焊接球
，NIB-SEAL装运时处于未组装状态。
,弹子NIB-SEAL on sweat ball valves are shipped unassembled.
焊接球，NIB-SEAL装运时处于未组装状态。
The condensability of liquid,the Westphal's effect and the continuous flow condition are not only comprehensively considered,but also the dynamic property of the ball valve being established.
结合现场试验,根据
电机采油泵运动特性,综合
虑
液体的可压缩性、魏氏效应、液体连续流动条件和球的动力特性,建立电机采油泵球运动规律的精确运动微分方程组。
声明：以
例句、词性分类均由互联网资源自动生成，部分未经过人工审核，其表达内容亦不代表本软件的观点；若发现问题，欢迎向我们指正。
