risers升: rise; hoist; go up; ascend管: pipe; tube上升管: ascending pipe; ascending tube; ascension pipe; raiser; riser pipe; rising pipe; upcast升管器: pipe riser提升管: lift pipe; lifting pipe; raising pipe; riser tube下载手机词典可随时随地查词查翻译关注微信公众号：chachacidian，回复:升管，即可在微信中查询翻译
