In the shafting management （） should be paid more attention. Ⅰ.f the while metal tailshaft bearing is dripping oil Ⅱ.f some area become blue during the running Ⅲ.he deformation of crankshaft<br>A:Ⅰ<br>B:Ⅱ<br>C:Ⅲ<br>D:Ⅱ+Ⅲ

In the shafting management （） should be paid more attention. Ⅰ.f the while metal tailshaft bearing is dripping oil Ⅱ.f some area become blue during the running Ⅲ.he deformation of crankshaft
A:Ⅰ
B:Ⅱ
C:Ⅲ
D:Ⅱ+Ⅲ

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