He has to detach the chain from the bike before fixing the tire.
在修轮胎之前他需要把链条从自行车上拆下来。
The research and application of tire detection device is a significant chain of tire industry.
轮胎检测设备的研究与应用现已成为轮胎产业的一个关键环节。
The research and application of tire detection device is a significant chain of tire industry.
轮胎检测设备的研究与应用现已成为轮胎产业的一个关键环节。
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