mold proof 防霉
mold-proof paper 食品防霉纸
grain mold proof 粮食防霉
mold-proof treatment 防霉处理
mold proof air filter 防霉型空气过滤网
The green sand mold with even density and proof of the impact of liquid metal is one of the critical factors in the production of quality casting.
紧实度均匀、能抵抗金属液体冲击的合格砂型是保证铸件质量的关键因素之一。
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