HOT AIR(热空气)按钮开关位于OFF(关)位()
A、活门调节热气压力
B、活门打开,调节空气活门关闭
C、活门关闭,调节空气活门关闭
A、活门调节热气压力
B、活门打开,调节空气活门关闭
C、活门关闭,调节空气活门关闭
A、less moisture than cold air B、more moisture than cold air C、the same amount of moisture as cold air D、moisture independent of air temperature
A、写出下列电器的作用、图形符号和文字符号。 B、(1)熔断器 C、(2)组合开关 D、(3)按钮开关 E、(4)自动空气开关 F、(5)热继电器 H、(6)时间继电器 I、(7)速度继电器
A、delivering more air into the cylinder than it would normally receive during an ordinary charging process B、forcing the products of combustion out of the cylinder with the fresh air charge C、collecting the air charge at the cleaner D、combustion and expansion of hot gas
A、It forces hot air out of the PC B、The fan is easier to remove and clean C、It forces cooler air into the power supply quickly D、It forces cooler air across the motherboard