The crank shaft is a key part of the internal-combustion engine so that machining it with high efficiency and precision is the goal pursued by the manufacturers.
曲轴是各种内燃机的关键零件，高效、高精度加工曲轴一直是内燃机生产厂家追求的目标。
The paper reports the support technique of inclined shaft crossing surface soil with swelling and watering, in this case the stability of whole support system is key factor for successful control.
论述了斜井掘进穿越具有膨胀性的含水表土层过程中所采用的技术方案，指出支护结构的整体稳定性是支护成功的关键。
With the input shaft key secured with a set screw, an input and output shaft key configuration delivers optimum positive connection for superior torque transmission.
输入轴键受到固定螺钉的保护，输入和输出轴键配置实现最佳的刚性连接以提供更好的扭矩传送。
Two ends of the motor shaft of the motor respectively extend to match and fix with an impeller inducer and a belt pulley through a key slot and a key.
此电机的电机轴两端伸出分别同一风叶和一皮带轮通过键槽和键相 配接固定；
The inner part of a shaft end hole of the backstop is connected with a driven shaft through an expansion bush and a double flat key;
在逆止器的轴端孔内通过胀套和双平键与从 动轴连接；
The inner part of a shaft end hole of the backstop is connected with a driven shaft through an expansion bush and a double flat key;
在逆止器的轴端孔内通过胀套和双平键与从 动轴连接；
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