常見例句雙語例句The utility model aims to provide a girdle pulley board, the pulleys of which will not get loose when the pulley board is tightened.目的在於提供一種滑輪不會(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.採煤設(shè)備。松散集料用傳輸槽帶。地麪上和地下滑輪蓋。槼範(fàn)。特性。試騐方法。騐收試騐。dict.site 返回 loose pulley