The population in Lanzhou-Xining area is in an overload state, but the overloading population decreases.
④兰州—西宁区域人口属于超载状态，但是超载的人口规模在减小；
Overload protection: equipped self re-setting overload protector, the hoist motion is stopped if overloading occurs, but lowering is permitted, making the crane safe.
过载保护装置：当过载发生时，运行下降，不允许上升，便于重物安全落地。
The case is very beneficial to the vehicles which overload, in particular to braking for overloading and overspeed.
这种情况对车辆重载，尤其是超载、超速时的制动非常有利。
The case is very beneficial to the vehicles which overload, in particular to braking for overloading and overspeed.
这种情况对车辆重载，尤其是超载、超速时的制动非常有利。
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