The drive shaft is able to contract, expand, and change operating angles while transmitting torque through the use of universal joints and slip joints.
在万象头和伸缩接头的应用下，传动轴还能进行收缩，伸展或改变运行角度等方式来传递扭矩。
Guarantee slip also calls insurance policy original, it is insurance company and policy - holder conclude the certify to of insurance contract.
保单也叫保险单正本，是保险公司与投保人订立保险合同的书面证实。
Guarantee slip also calls insurance policy original, it is insurance company and policy - holder conclude the certify to of insurance contract.
保单也叫保险单正本，是保险公司与投保人订立保险合同的书面证实。
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