The shaft must test in bearings, may be started by a clutch or stopped with a brake.
在轴承中的轴必须经过检测，轴可以由离合器启动，或用闸来停止。
One who operates, inspects, or repairs brakes, especially a railroad employee who assists the conductor and checks on the operation of a train's brakes.
司闸员，制动手操纵、检查或维修闸的人，通常指协助列车员和检查火车制动器性能的铁路雇员。
Moreover, curve prestressed anchorage cables are applied to eliminate or minish the tensile stress to prevent the cracks appearing on the deep orifice gate blocks.
此外，为了防止深孔闸墩部位的裂缝发生，设计采用对闸墩施加曲线形预应力锚索以消除或减小拉应力。
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