rolling defense旋转: revolve; gyrate; rotate; spi ...防御: defense旋转防喷器: hydril-type preventer; revolving blow-out preventer; rotary blowout preventer; rotating bop旋转防喷器芯: stripper轮转防守: rotation defense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:旋转防御,即可在微信中查询翻译