You put air into a bicycle tyre through the valve.
你通过汽嘴把空气打入自行车轮胎。
It is used to put through cut off the air passage in vacuum pipeline.
阀门用于接通或切断真空管路中的气流。
It is used to put through or cut off the air passage in vacuum pipeline.
阀门用于接通或者堵截真空管途中的气流。
It is used to put through or cut off the air passage in vacuum pipeline.
CC Q型气动超高真空插板阀用于接通或切断真空管路中的气流。
It is used to put through or cut off the air passage in vacuum pipeline.
CC Q型气动超高真空插板阀用于接通或切断真空管路中的气流。
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