The strength of the cement is low, the stability of volume is unqualified, primarily is to go together with raw materials mix proportion by weight what caused by inappropriate reasons .
水泥的强度低，安定性不合格，主要是配料不当的原因造成的。
The strength of the cement is low, the stability of volume is unqualified, primarily is to go together with raw materials mix proportion by weight what caused by inappropriate reasons .
水泥的强度低，安定性不合格，主要是配料不当的原因造成的。
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