Hidden arm type multipoint coal fines sampling device.
藏臂式多点煤粉取样装置。
This paper reports the development of a soil gas sampling device.
本文报道了研制的土壤气体采集装置。
Generally sampling pulse is produced by the control of clock inner device.
一般采样脉冲都是在装置内部时钟的控制下产生的。
Entire drive device is set up on frame of sampling machine.
整个传动装置均设在采样机机架上。
Entire drive device is set up on frame of sampling machine.
整个传动装置均设在采样机机架上。
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