所述的滑塞轴与化学能自动喷雾器外盖上的带手把的止动块以凸轮方式活动连接。
The spool shaft is in flexible connection with a stopper which has a handgrip on the external cover of the chemical energy automatic sprayer.
胎内块的外面包有一层柔软材料制成的外止动层。凹槽块的外面包有一层柔软材料制成的内止动层。
An outer stop layer made of a layer of flexible material is covered outside the tyre inner block, and an inner stop layer made of a layer of flexible material is covered outside the groove block.
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