短語(yǔ)詞組短語(yǔ)chain -wheel 鏈輪chain type wheel 鏈?zhǔn)綕L輪chain pitch wheel 鏈條齒輪chain messenger wheel 鏈輪structure of chain -wheel 鏈輪結(jié)搆the greater double -bank chain-wheel 較大尺寸雙排鏈輪step chain wheel 梯級(jí)鏈輪hand brake chain wheel 手制動(dòng)鏈輪 返回 chain wheel