根据《UCP500》规定,若信用证在货物数量方面有伸缩,而金额方面没有,该证货物总值则不能超过信用证金额。( )
参考答案:对
Help is needed for families _________ homes were destroyed during the earthquake.
A.which
B.when
C.whose
D.where
综合重合闸中接地判别元件,一般由零序过电流或零序过电压继电器构成,它的作用是区别出非对称接地短路故障。