dust-proof ring
常見例句
- 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，由動體和靜體組成。
ip.com - The 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.
本實用新型結構緊湊、外形美觀，并 帶有防塵密封環(huán)，可有效防止外界灰塵進入氣缸。
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