所有的起重机都应当有主钩的起重能力指示器和扒杆角度指示器,并且起重机司机要看得见。
All cranes will be equipped with a functional weight indicator on the main hoist and a boom Angle indicator, both visible by the operator.
所有的起重机都应当有主钩的起重能力指示器和扒杆角度指示器,并且起重机司机要看得见。
All cranes will be equipped with a functional weight indicator on the main hoist and a boom Angle indicator, both visible by the operator.
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