easily damaged parts 中文意思是什麼
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The running condition would be deteriorated and at last the parts of the engine would be damaged if the revolution were reduced too low. the propeller must be redesigned or be modified in this situation. people usually modify the propeller rather than change the propeller because it will be more easily and economical
此時若要更換新的螺旋槳必然造成經濟上過重的負擔，較方便可行的方法是對原來的螺旋槳採取切邊修改的方法，減少螺旋槳的直徑、盤面積或螺距，使螺旋槳的扭矩減小，螺槳變「輕」 。 -
The steady of grottoes attacked by earthquake is analyzed with the engineering soft named adina, in order to show where the weak parts of grottoes are and time - history curves of the horizontal displacement of the easily damaged nodes and time - history curves of first and third principal stress of the easily damaged elements
（ 3 ）以大型adina有限元分析軟體為基礎，編制了預應力錨索材料的非線性有限元計算程序模塊，研究石窟在地震作用下的穩定性問題。選取能代表石窟整體結構的三個不同剖面作為有限元計算模型，並採用不同工程特性的地震動加速度時程作為荷載輸入。 -
The rollers and housings, the important transmission parts in belt conveyor systems performing power transmission, are often under complex conditions and easily damaged when design parameters are not correct. and the capability and reliability of belt conveyor is mainly determined by the key parts ’ strength and stiffness
滾筒和機架是帶式輸送機的重要部件，承受復雜載荷，一旦設計參數選取不當，很容易在使用中失效，對輸送機整體性能和可靠性影響很大。
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