常見例句雙語例句The select of assurance coefficient is a problem that is often met in mechanical design. How to reasonably select it is a basic subject.安全系數的選取是機械設計中普遍遇到的問題,合理選取安全系數是機械設計中的一項基本課題。The roof management, roof pressure computing, assurance coefficient checking are introduced. Three kinds of protecting methods of working face management are expounded.從頂板管理、頂板壓力計算、 安全系數校核方面進行了介紹,并且在大傾角工作面三防措施管理方面進行了詳細的闡述。The utility model has the advantages that the stability of the structure is good, the assurance coefficient is high, the anti-corona effect is good and the interchangeability of wires is good.本實用新型結構穩(wěn)定性佳, 安全系數高,防電暈效果和導線互換性好。ip.com 返回 assurance coefficient