消弧线圈的铁芯结构为均匀多间隙铁芯柱。
参考答案:对
I was caught in the traffic jam this morning; ______, I would have come on time.
A.otherwise
B.besides
C.however
D.therefore
癃闭与淋证的共有症候是
A.小便量少或闭塞不通B.排尿困难,小便不畅C.小便量少,小便不利D.小便频数短涩,滴沥刺痛E.水蓄膀胱之证