Wear-resistant hydraulic oil quality, applicable to all types of mobile and stationary high-pressure, high-temperature work under the conditions of the transmission system.

优质抗磨液压油，适用于各类移动和固定式高压，高温条件下工作的液压系统。

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Due to over-heat phenomenon under high temperature work conditions, small-sized hydraulic excavators can't properly operate.

小型液压挖掘机在高温环境下因出现发动机过热现象而无法正常工作。

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Work condition and force acting of the bolt were analyzed. The bolt failure was creep fracture mainly due to their high temperature work condition.

经过对螺栓的服役条件以及工作中受力情况进行分析，认为螺栓断裂主要是由于长时间在高温条件下发生蠕变导致的。

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Exactly how such high-temperature superconductors (HTSs) work remains a mystery, but that has not stopped engineers from trying to exploit them.

ECONOMIST: Inside story