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单词
oil well cement
释义
oil well cement
Encyclopedia
工学
水泥
释
oil well cement
油井水泥
用于油、气井固井工程的特种水泥。
工学
油井水泥
释
oil well cement
油井水泥
应用于一定温度、压力条件下进行固井、修井和挤水泥等井下作业的水硬性胶凝材料。
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left principal ideal ring
left product
left projective resolution
left projective space
left pseudo-automorphism
left pseudocompact ring
left quasi-field
left quasigroup
left quasi-inverse
left quasi-invertible element
left quasi regular element
left quasi-regular element
left quasi-regularity
left quasi-simple ring
left quotient
left quotient field
left quotient ring
left quotient space
left radical
left randomly continuous
left rank
left recursion
left recursively enumerable reals
left recursive rule
left regular element
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