單項(xiàng)選擇題電動(dòng)機(jī)的溫度一般不超過()

A.70℃
B.65℃
C.19℃
D.55℃


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1.單項(xiàng)選擇題JT800/630型絞車制動(dòng)閘連桿銷軸應(yīng)注()號(hào)機(jī)械油。

A.40
B.1900-1-2095900PM
C.1900-1-3075900AM
D.100

2.單項(xiàng)選擇題JT1200/1024型絞車主軸軸承應(yīng)注()工業(yè)齒輪油。

A.N68
B.N80
C.N100
D.N150

3.單項(xiàng)選擇題JT1200/1024型絞車深度指示器,傳動(dòng)軸承應(yīng)注()

A.鈉基脂
B.鈣基脂
C.潤滑脂
D.鋰基脂

4.單項(xiàng)選擇題JT800/630型絞車銷軸應(yīng)注()號(hào)機(jī)械油。

A.40
B.70
C.1900-1-3075900AM
D.100

5.單項(xiàng)選擇題調(diào)度絞車制動(dòng)器各銷軸應(yīng)注()號(hào)機(jī)械油。

A.40
B.1900-1-2095900PM
C.1900-1-3075900AM
D.100