dragging buoydredging buoy疏浚: dredge; sweep; scouring区: H region; H浮筒: bowl; float bowl; buoy; floa ...疏浚区浮标: dragging buoy; dredging buoy疏浚区: dredged area; dredging area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:疏浚区浮筒，即可在微信中查询翻译
