reciprocating vacuum pump 中文意思是什麼
reciprocating vacuum pump
解釋
往復式真空泵- reciprocating : 交互的, 往復的
- vacuum : n (pl vacuums vac ua )1 真空;空處,空虛,空白。2 〈美口〉吸塵器(= vacuum cleaner)。vi vt 〈...
- pump : PUMP =politically upwardly mobile personality 政治新星,政治上有望晉升人士。n (淺口無帶的)輕舞...
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An investigation into the design and energysaving analysis of gas press ure balance way of reciprocating vacuum pump
往復真空泵平衡氣道的設計與節能分析研究
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