当空气干燥煤样中碳酸盐二氧化碳含量大于2%时,计算干燥无灰基挥发分时需要进行相应修正。
参考答案:对
What does "the uninitiated" mean
A.People who visit animals in urban zoos.
B.People who do not like animals of the wild.
C.People who know little about a certain topic.
D.People who do not visit zoos every year.
某公司向美国出口一批塑料玩具,报检时不需提供( )。
A.合同、发票、装箱单B.出口玩具质量许可证C.出境货物运输包装性能检验结果单D.出境货物运输包装使用签定结果单