primary pit 中文意思是什麼
primary pit
解釋
初生紋孔-
Double roll sizer are used in open pit mining for primary, as well as for further crushing second and third crushing stage
雙輥破碎機在礦山被用來粗碎物料,它也可被用來細碎物料第二第三破碎階段。 -
Impact hammer mills are used in the mining sector and in the pit and quarry industry for primary and secondary crushing of different types of ore and medium - hard rock with a throughput capacity of 1. 500 t h
振動錘碎機在采礦業採石業和土壤業領域里被用來對礦砂和中硬巖石進行粗碎和細碎。它的生產能力可達到1500t h 。
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