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- [常用词汇] 行业标准规范英汉对照-内燃机3
121GB/T14223-1993内燃机活塞环梯形环和楔形环Internalcombustionengines--Pistonrings--Keystoneringsandhalfkeystoneri...
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121GB/T14223-1993内燃机活塞环梯形环和楔形环Internalcombustionengines--Pistonrings--Keystoneringsandhalfkeystoneri...