常見(jiàn)例句雙語(yǔ)例句The utility model aims to provide a girdle pulley board, the pulleys of which will not get loose when the pulley board is tightened.目的在于提供一種滑輪不會(huì)因 用力拉緊滑輪板而松脫的腰帶滑輪板。ip.comCoal mine equipment. troughed belt conveyors for loose bulk materials. pulley covers used underground and for above ground. specifications. characteristics. test methods. acceptance testing.采煤設(shè)備。松散集料用傳輸槽帶。地面上和地下滑輪蓋。規(guī)范。特性。試驗(yàn)方法。驗(yàn)收試驗(yàn)。dict.site 返回 loose pulley