directing force 中文意思是什麼
directing force
解釋
控制力-
Directing to the storage character of qitaihe coal sources, using floatation method of nj dense medium centrifugal force not only meets the heeds of quality and amount of producing super activating carbon raw coal and has good separation result. the equipment investment is less and tailmine recovery is easy. it meets the needs of circumstance protection
針對七臺河煤炭資源的賦存特性，應用nj重介離心力選煤方法，不僅滿足了制備優質活性炭原料煤的質量和數量要求，而且分選效果好，設備投資少，尾礦物回收容易，滿足了環保要求。 -
The design method of main mechanisms of the crane, which includes the winch section, rotary bearing, and the extension section, is described. the layout of directing ( triangle ) tri - joint mechanism, which affects the performance of crane greatly, is optimized. at the same time, the load of axles, the rated load capacity which depends on the tipping stability of the crane and the maximal support force of the out - triggers are calculated by the vb programs
本文對于qy25型汽車起重機的設計進行了研究，就汽車起重機主要機構如起升機構、回轉機構、伸縮機構的型式及計算方法做出了論述，對影響起重機性能的三鉸點布置進行了優化，用vb語言對計算繁瑣的起重機橋荷、穩定性決定起重量、最大支腿反力的計算進行了程序編制，對確定中、小型汽車起重機設計方案，具有很強的現實意義。
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