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【单选题】
209HS转向架轴箱油压减震器安装座紧固螺栓必须用（）级高强度螺栓。
A.
4.8
B.
5.8
C.
6.8
D.
8.8
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参考答案：
参考解析：
刷刷题刷刷变学霸
举一反三
【单选题】Tighten the bolts manually if you cannot do it with the specified tool.如果不能使用指定的工具手动紧 固螺栓。
A.
Tighten the bolts manually until you can do it with the specified tool.
B.
Tighten the bolts manually if it is not feasible to doit with the specified tool.
C.
In case that you cannot do it with the specified tool in case, tighten the bolts manually.