问题
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将1.500按0.2修约间隔修约,修约数为()。A.1.4B.1.40C.1.6D.1.60
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车轮踏面擦伤深度大于()mm,擦伤长度大于()mm时需要镟轮()A.1.5,40B.1,40C.1,60D.1,50
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将1.500按0.2修约间隔修约,修约数为()。A.1.4B.1.40C.1.6D.1.60
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21S棉纱编织层涂腊时,浸涂量为80%,浸涂系数ε为()。A.1.28B.1.48C.1.85D.1.60
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用螺母压紧形成圆锥面过盈连接通常锥度可取()。A.1∶2~1∶6B.1∶8~1∶30C.1∶30~1∶50D.1∶50~1∶80
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一般情况下,手术间与手术科室床位比为()A.1:(20~25)B.1:(30~40)C.1:(40~50)D.1:(50~60)E.1