下列不属于高压部件的是
A.高压变压器
B.灯丝变压器
C.高压交换闸
D.高压接触器
E.高压电缆
参考答案:D
与酸奶制品密切相关的微生物( )
A.酵母菌
B.放线菌
C.乳酸菌
D.青霉菌
If anything in the L/C is not agreeing with the contract, the exporter should ask the informing bank to amend the L/C immediately, in order to guarantee the collection and avoid dispute. ( )