Machine vibration frequency high, 3000 ~ 3600 times per minute, amplitude small-only 0.5 ~ 1, can be used in the viscous drug screening points, its screening efficiency.

该机振动频率高，每分钟3000 ~ 3600次，振幅小只有0.5 ~ 1，可以使用于粘性药分的筛分，其筛分效率高。

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Shock sieve machine timer knob to the sieve branch needs time then turn on the power switch, the shock will begin screening machine rotary screen work.

将振筛机上的定时器旋钮拨到筛分所需时间，打开电源开关，振筛机就会开始筛转式工作。

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After removing his protective suit, a worker is examined by a radiation screening machine.

工作人员脱下防护服，接受核辐射检查。

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Abdulmutallab then passed through a walk-through metal detector and put his shoulder bag through an X-ray screening machine, Demuren said.

CNN: Obama orders review of flight screenings

More than 60 breast screening appointments were cancelled after thieves stole the power lead for the scanning machine.

BBC: Essex

Demuren said the suspect underwent regular screening -- walking through a metal detector and having his shoulder bag scanned through an X-ray machine.

CNN: STORY HIGHLIGHTS