常见例句Inside the cabinet are an air compressor and a vacuumpump. 盒子内部是一台空气压缩机和一台真空泵。Dry running rotary vane vacuumpump with integral suctionpaper filter. 干式旋片真空泵，内置纸质过滤器，隔音罩能降低噪音及冷却和隔离表面高温。 返回 vacuumpump