常见例句雙語例句The BSP is an electrically driven machine for grinding of valve spindles on high and medium speed diesel engines.我們公司生産的這款BSP閥杆研磨機，是一款電子敺動設備，主要用於高速和中速柴油發動機閥杆的研磨。www.e-gtm.com.cn 返回 valve grinding machine