Noises may develop in a worn engine.

磨损的引擎里可能会发出各种噪声。

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The badly worn engine of CAT963 crawler loader is replaced on the premise of leaving original machine unchanged.

在不改变原机外形的前提下，对磨损严重的C AT963履带式装载机发动机进行替换修复。

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If oil pressure was low and pump is within specifications, inspect for worn engine bearings or other reasons for oil pressure loss.

如果油压低并且泵在规格表内，则针对油压低的问题检查磨损的引擎轴或其它原因。

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Big repair bills for a blown engine or worn-out transmission are often what finally kill an old car, says J.

WSJ: Old Cars: Breaking Up With a Broken-Down Car Is Hard��Eyes on the Road

The constant vibration and roaring of the engine had left me numb and had worn the paint off my helmet where it rested against the inside wall.

CNN: Digging in with the Marines