填空题
专业性
以铝盐为例,简单说明如何进行混凝剂最优加药量的烧杯试验?
问答题以铝盐为例,简单说明如何进行混凝剂最优加药量的烧杯试验?
() has the first responsibility to make payment for the...
单项选择题() has the first responsibility to make payment for the seller with the L/C payment.
A.Advising bank B.Accepting bank C.Negotiating bank D.Issuing bank
以100FB-37为例说明其含义。
问答题以100FB-37为例说明其含义。