The results show that the one-step temper embrittlement (OSTE) is the main factor to cause the crack of engine exhaust pipe washers.

对开裂的发动机排气歧管垫片进行了失效分析，发现产生第一类回火脆性是导致垫片开裂的原因。

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The fracture failure of the piston engine exhaust pipe was analyzed from welding structure defects, welding structure defects and working environment etc.

针对某活塞式发动机排气管断裂现象，从断裂处焊接结构缺陷、焊缝组织缺陷和零件工作环境等方面进行分析。

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The diesel engine exhaust pipe is packed with high efficient insulation jacketing, which can play the effect of insulation and protection, and avoid body burns.

柴油移动空压机排气管上包裹了高效的隔热套，对排气管起到隔热和防护的作用，避免人体被烫伤。

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The boy hopped in the snowed-in family car to warm up, but the engine was running and the exhaust pipe was blocked by snow, causing carbon monoxide to accumulate in the car.

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