It is variable frequency drive that controls the movement of the belt.
不同频率的驱动控制压带的运动。
Recoil mechanism is the crucial part which controls the backward movement of a gun.
驻退机是反后坐装置中控制火炮后坐规律的关键部件。
Where as continuing deficits may signal future controls on outgoing capital movement.
而一国收支持续严重逆差也许预示着将控制外出资金流动。
Where as continuing deficits may signal future controls on outgoing capital movement.
而一国收支持续严重逆差也许预示着将控制外出资金流动。
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