return stroke 中文意思是什麼

return stroke 解釋
反沖程
  • return : vi 1 回轉，回來，回去，返回，折回 （ to）。2 再來，又來；復發，回復，恢復。3 回頭說正經話，回到本...
  • stroke : n 1 一擊，一敲；打，打擊；一振，一動；（字的）一筆；一舉；一劃；（游泳的）一爬；一觸；一閃；一刀...
  1. ( 2 ) in the original system because of the area between the piston and the piston pole is too small, the system pressure will rise when in the return stroke. and the reliever valve will open. the return velocity will reduce

    （ 2 ）原設計中，由於活塞和活塞桿的面積差很小，回程上行時，系統壓力會迅速升高造成溢流閥的溢流而使回程速度降低，從而降低了系統的工作效率。
  2. In one picnic, horse cubes have loved road because of coveting to play, he thinks desperately in forest, has broken stroke carelessly foot, when he does not have very much to help, david has found him and carry him have made forest, horse cubes feel very ashamed, he apologizes and swears to not play with david again to david, close with david deeply friendship, after 3 days, they return to home, heng force and dream ni card very happy

    在一次野餐時馬丁因為貪玩迷了路，他在森林中拚命地想出來，卻不小心劃破了腳，正當他很無助時，大衛找到了他並背他出了森林，馬丁感到非常慚愧，他向大衛道歉並發誓不再玩弄大衛，與大衛結下了深深的友誼，三天後他們回到家，亨力和夢妮卡很開心。
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