return pulley 中文意思是什麼
return pulley
解釋
反向滑輪-
Abstract : the present production condition in yuquanling concentrator was analyzed, the necessity and feasibility of technical reconstruction were pointed out, and such technical measures as using autogenous grinding self - return screen and small magnetic pulley and increasing fine screen and their effects were described
文摘:對玉泉嶺選礦廠的生產現狀進行了分析，並指出了技術改造的必要性和可行性，對自磨自返篩、小磁滑輪、加大細篩技術措施及其效果進行了論述。
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