A.高壓液體B.低壓液體C.高壓蒸汽D.低壓蒸汽
A.常開開關(guān),當(dāng)外界環(huán)境溫度低于5℃時(shí)閉合B.常閉開關(guān),當(dāng)外界環(huán)境溫度低于5℃時(shí)斷開C.常開開關(guān),當(dāng)外界環(huán)境溫度高于5℃時(shí)閉合D.常閉開關(guān),當(dāng)外界環(huán)境溫度高于5℃時(shí)斷開
A.風(fēng)量大小B.發(fā)動(dòng)機(jī)水溫C.混合風(fēng)門位置D.真空膜盒