双签发是指外单位在变电站(发电厂)办理工作票,工作票以经本单位工作票()签发后,由变电站(发电厂)或主管部门的工作票签发人审核签发(即会签)的程序。
参考答案:签发人
The fact that she was foreign made_____ difficult for her to get a job in that country.
[ ]
A. so
B. it
C. that
D. much
()属于超高强度钢。
A.高塑性钢
B.多相钢
C.双相钢
D.硼钢