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许多铸铁件在工作中要承受液体或气体(高温或低温)的压力。因此,在制造过程中要进行水压试验。本文根据生产内燃机车L207柴油机气缸套的经验,对影响气缸套耐压致密
Many cast iron parts are exposed to liquids or gases (hot or cold) at work. Therefore, in the manufacturing process to be carried out hydrostatic test. This article according to the production of diesel locomotive L207 diesel cylinder liner experience, the impact on the cylinder liner pressure tight