The fabrication technology of sidewalk floor tile using municipal refuse and magnesium oxychloride cement as raw materials is investigated in this paper.
研究了以城市垃圾、氯氧镁水泥为主要原料制作人行道路面砖等问题。
The supplier sends their sample to the quarantine bureau. We refuse to receive the unqualified raw material until he can offer the qualified one.
接受供货商第一次送货同时送检（卫生防疫站）。原料检测不合格者，拒收其提供的原料，直到他能够提供经检测合格的原料为止。
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