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单选题
推进装置轴系各轴承工作的温度范围正确的是()。 a.齿轮箱的滚动轴承小于80℃; b.齿轮箱的滑动轴承小于70℃; c.白合金滑动轴承小于65℃; d.推力轴承小于70℃; e.水润滑轴承小于65℃。
A
b~e
B
b~d
C
a~d
D
c~e
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更多 “单选题推进装置轴系各轴承工作的温度范围正确的是()。 a.齿轮箱的滚动轴承小于80℃; b.齿轮箱的滑动轴承小于70℃; c.白合金滑动轴承小于65℃; d.推力轴承小于70℃; e.水润滑轴承小于65℃。A b~eB b~dC a~dD c~e” 相关考题
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