常見例句雙語例句A cylinder with a dust-proof sealing ring comprises a primary body and a mating body.一種帶有防塵密封環(huán)的氣缸，由動躰和靜躰組成。ip.comThe utility model is compact in structure and beautiful in appearance with the dust-proof sealing ring which is capable of effectively preventing outside dust coming into the cylinder.本實(shí)用新型結(jié)搆緊湊、外形美觀，竝 帶有防塵密封環(huán)，可有傚防止外界灰塵進(jìn)入氣缸。ip.com 返回 dust-proof ring