hold-off buoy外: outside; external side拉: cut; slash; slit浮筒: bowl; float bowl; buoy; floa ...外拉: external bracing浮筒: bowl; float bowl; buoy; float; pontoon; buoyancy pontoon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:外拉浮筒，即可在微信中查询翻译
