mineral pitch 中文意思是什麼
mineral pitch
解釋
地瀝青柏油-
Tolerance of chain contact pitch and chain length in the new edaphic and mineral chain ditcher
刀式礦土復合型鏈條接觸節距及鏈長公差的研究 -
Standard specification for emulsified coal - tar pitch mineral colloid type
乳化煤焦油瀝青的標準規范 -
Standard performance specification for coal tar pitch emulsion pavement sealer mix formulations containing mineral aggregates and optional polymeric admixtures
含礦物集料和附加聚合物摻合料的煤焦油瀝青乳化液鋪面密封料攪拌配方的標準性能規范
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