... threaded connector螺纹接头 top connecting collar联顶节 tree connector采油树联接器 ...
基于62个网页-相关网页
... landing head(吊挂油管用)油管头,(油管)联迎面 landing joint联顶节[下套管或者油管联顶时用] tbg(tubing)油管 ...
基于8个网页-相关网页
短语
联顶节与套管头
casing head and landing joint
井口联顶短节
wellhead landing nipple
选择性联顶短节
selective landing nipple
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top connecting collar
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top connecting collar
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