梯形螺桿泵 的英文怎麼說
中文拼音 [tīxíngluógǎnbèng]
梯形螺桿泵
英文
trapezoid screw pump-
Ceramic acid pump
梯形螺桿泵The motion of the two rotors with single - threaded, equal pitch trapezoidal profile was theoretically analyzed to eliminate the tooth interference
摘要本文針對無油螺桿式真空泵中一種常用的單頭等螺距梯形級齒的螺桿轉子型線,研究討論了二轉子級齒間的干涉問題。
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