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The crane operator also must have full control over the movement of the personnel platform.
吊车司机也必须始终完全控制载人平台的移动。
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Lift loading and unloading platform is a kind of mini-crane.
升降装卸平台是小型起重机械的一种。
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Lift loading and unloading platform is a kind of mini-crane.
升降装卸平台是小型起重机械的一种。
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