Adjustments for envelope squeeze on seats and valve testing are done by machine during factory assembly.
在工厂组装期间，采用机械设备对阀座和阀门测试封装挤压进行调整。
Adjustments for envelope squeeze on seats and valve testing are done by machine during factory assembly.
在工厂组装期间，阀座的封装挤压和阀门测试的调整都是通过机械设备进行操作。
Adjustments for envelope squeeze on seats and valve testing are done by machine during factory assembly.
在工厂组装期间，阀座的封装挤压和阀门测试的调整都是通过机械设备进行操作。
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