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Terms
for subject
Drilling
containing
箍带
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all forms
Chinese
English
带倒角的接箍
turned-down coupling
带循环阀的套管接箍
float collar
带挡圈
阻流阀座
的接箍
注水泥用
cement baffle collar
带挡圈
阀座
的接箍
baffle collar
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