NIB-SEAL on sweat ball valves are shipped unassembled.
在焊接球
上，NIB-SEAL在装运时处于未
装状态。
词条纠错
X
ball valve
生词本：
添加笔记：
球
,
,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,根据直线电机采油泵运动特性,综合
虑了液体的可压缩性、魏氏效应、液体连续流动条件和球的动力特性,建立了直线电机采油泵球运动规律的精确运动微分方
。
明：以上例句、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。
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