关于召开“石家庄·
AMPP熔结环氧粉末涂
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nalan2006:天之道,损有余而补不足也,是故盐往淡处走,而水泡生矣。 (2012-10-18 09:54)
puppyloveyy:Blisters caused by salt or other water soluble contamination concentration difference. (2012-10-18 09:56)
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