单选题由于环在环槽中的各种相对运动和磨粒作用,以及()使环槽端面磨损严重。A高温作用B材质不佳C润滑不良D冷却不良
单选题
由于环在环槽中的各种相对运动和磨粒作用,以及()使环槽端面磨损严重。
A
高温作用
B
材质不佳
C
润滑不良
D
冷却不良
参考解析
解析:
暂无解析
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