机器零部件的互换性就是同一规格的零部件按规定的技术要求制造,能够相互替换使用,而______的性能。
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It can be inferred from paragraph 3 that US congress is_____global developing trend.
A. insensitive to
B. upset at
C. responsive to
D. paralyzed by
A.durableB.dueC.dullD.dual
A. durable
B. due
C. dull
D. dual
用分度值为0.02mm/m的水平仪和跨距为200mm的桥板来测量工作长度为1.2m的机床导轨的直线度误差,等距布置7个
A.cradleB.angleC.eagleD.stable
A. cradle
B. angle
C. eagle
D. stable