动圈漏磁式弧焊变压器的可动线圈离开固定线圈时,焊接电流()。
A.增大
B.减小
C.不变
D.变化无常
参考答案:A
__________there was something wrong with the washing machine. [ ]
A. It seems
B. It seemed that
C. He seemed
D. It seems that
小包装精品、高级名茶以()贮藏,效果最好。
A.灰藏法
B.抽气充氮
C.冷柜
D.仓库贮存