升管机；立管的英文

• pipe riser

• 升:    rise; hoist; go up; ascend
• 管:    pipe; tube
• 机:    machine; engine
• 升管:    risers
• 立管:    drop; riser pipe; service riser; stack pipe; stack; riser; stand pipe; standpipe; subsea riser; upflow tube; uprise; vertical pipe, riser, stack; vertical pipe,riser,stack; vertical tube