当前位置：在线题库搜索＞[单选题]当环境温度较高时,宜选用粘度等级( )的液压油。的答案是什么？
问题：
[单选题]当环境温度较高时,宜选用粘度等级( )的液压油。
A、较低
B、较高
C、都行
D、都不行
参考答案：
B
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