主抽器汽第二级疏水用的是()。
A、“U”形管
B、疏水器
C、“O”型管
D、“X”型管
参考答案:B
“Representative samples were drawn at random from the aboved mentioned goods and were inspected with the results as follows”,最确切的翻译是( )。
A.从上述货物中抽取代表性样品,经检验结果如下
B.从上述货物中任意抽取样品,经检验结果如下
C.从上述货物中抽取样品,经检验结果
D.从上述货物中任意抽取代表性样品,经检验结果如下