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The physical and chemical requirements of LME lead ingots were introduced, and production technology was also introduced breifly.
简要介绍韶关冶炼厂LME铅锭的物理和化学质量要求及LME铅锭的生产工艺过程。
Physical and chemical parameters and grain size composition of mortar shall meet requirements specified in table 28.
耐火砌泥的物理及化学参数以及粒度分布应该满足表28中指定的要求。
Al - alloys have special requirements on MIG welding due to their unique physical and chemical properties.
铝合金因其独特的物理、化学性能对mig焊有特殊的要求。
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