数控系统出现AIR PRESSURE LOW报警表示___________
举一反三
- Low air pressure inside the funnel of a tornado forms a huge vaccuum.
- Air tends to flow from a _______ pressure area to a _______ pressure. A: high, lower B: low, higher C: high, high D: low, low
- 数控系统出现LUBRICATION OIL LACK 报警表示___________
- Water attains the boiling temperature quicker in the high elevations than at the low level. Because: A: . the air pressure is lower at high elevations B: . the gravitational force is low in the mountains C: . the sunlight is high in the higher elevations D: . All of them
- Diesel engine air start system check valves are opened by （） A: an air start cam B: cylinder compression pressure C: starting air pressure D: valve spring