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【单选题】
平面的平面度公差值应( )该乎面的平行度公差值。A.
小于或等于
B.
小于
C.
大于
D.
独立于
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参考解析：
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皮皮学刷刷变学霸
举一反三
【单选题】I am doing ____travle recetly ____trips a month
A.
many; several
B.
many; much
C.
a lot of; several
D.
a lot of; much
【简答题】When you travle abroad , you'd better use___ to pay.
【简答题】遇到粗俗无聊电话时
【单选题】In_____ the incoming air is directed upwards, pushing the exhaust gases before it and then the exhaust gases travle down.
A.
loop scavenging
B.
cross scavenging
C.
uniflow scavenging
D.
supercharging
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