短语词组短語low -speed pump 低速泵Low -speed winch 慢速絞車low idling speed 低怠速;[車輛]最低空載穩定轉速;最低空載轉速low idle speed adjustment 低怠速轉速調整desired low idle speed 所需發動機低空轉轉速low idling speed test [車輛]最低空載穩定轉速試騐low idle speed setting 低怠速調定 返回 low speed