buoyancy adjusting mechanism浮力: buoyancy; buoyant force; buo ...调节: regulate; adjust; monitor; m ...机构: mechanism牵引力调节机构: draught control mechanism泵调节机构: pump-regulating mechanism; pumregulating mechanism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:浮力调节机构，即可在微信中查询翻译
