单选题
发布日期:2021-03-22
cooled to appropriate temperature
warmed up gradually to appropriate temperature
opened up and renewed
ground and polished
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试验检测、设计计算等方面的标准属()。
关于分批装运有关的重要规定,说法错误的是( )。
膜性肾病()。|高血压肾()。
桥架或线槽安装跨接线的作用是()。
“假币”印章为长方型印章,印章上半部分刻有()
剩余价值不是在流通中产生的,但不能离开流通。
在直线上连挂车辆,车辆钩头位于中心,应将()。
高炉煤气中含量最多的组分是()。
贸易术语在国际贸易中的主要作用是()。
塑料窗框的传热PVC塑料窗框传热系数与窗框型材()有关。
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