Because of the particularity of the medium and material, our knowledge of corrosivity of sea mud and behavior of pipeline steel exposed in it is not enough.
由于介质和材料的特殊性，人们对海泥的腐蚀性和管线钢在其中的腐蚀行为了解得还不太深入和系统。
The antiseep performance of material for bore mud is good.
此种材料对钻井泥浆具有优良的防渗漏性能。
Study was made of the influence of red mud filler on mechanical and thermal properties of rigid PVC material.
研究了赤泥填充剂对聚氯乙烯硬质材料力学性能、热性能的影响。
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