相关考题
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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？ -
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 -
问答题
以100FB-37为例说明其含义。
