- riser leg
- 主管: be responsible for; be in ch ...
- 管柱: tubular column◇管柱基础 tube caisson foundations; 管柱桩 hollow tube pile
- 主管: 1.(负责管理) be responsible for; be in charge of 他受命主管这个部门。 he was placed in charge of the department.2.(主管人员) person in charge 谁是这里的主管? who is in charge here?; 主管部门 competent department; department in charge; authorities concerned; power of authorities in charge; departments responsible for the work; controlling body; 主管工程师 engineer in charge; 主管机关 competent authorities; responsible institution; 主管者 executive
- 长管柱: long string
- 导管柱: conductor string
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