The pump is driven by the motor through rigidity or spring coupling.

泵通过刚性或弹性联轴器由电机直接驱动。

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The coupling reinforced with a elastic ring is a new type of spring coupling.

弹性环骨架联轴器是一种新型弹性联轴器。

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Both revealed that the spring coupling should be used in the transmission system of slab conveying roller in order to reduce the peak-load while bearing a great impulsive torque.

理论分析和实验研究表明，对于受严重冲击载荷的板坯输送辊道传动系统，应该采用弹性联轴器，以降低其尖峰载荷。

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Coupling the display to the bi-stable spring allows the accessory device to be easily worn in a number of convenient locations.

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