rotary slide valve
旋转滑阀;回转滑阀
rotary slide valve engine 旋转滑阀式发动机 rotary y slide valve 回转滑阀
Turn both handles of the rotary slide valve ( pos. no. 15 ) and the clutch to the emergency position, and the annunciator " emergency " is lit on. 转动旋转滑阀15和离合器手柄到应急位置,指示器应急灯亮。
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