jack frame 中文意思是什麼
jack frame
解釋
絞車架-
Duplicate this frame. unhide jack and adjust it ' s position as shown
復制幀,取消娃娃的隱藏並將娃娃的位置進行如下調整。 -
Aiming at stress analysis of dip angle fully mechanized top - coal caving support in mining, from the technique of designing and mining, put forward technique measurements : reduce gap of support beam ; increase the inter - frame jack in neighboring support beam
針對大傾角放頂煤支架在開采過程中的受力情況,提出了防止液壓支架傾倒的技術措施是:減少支架頂梁間隙;在鄰架頂梁間增設調架千斤頂。
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