点火线圈的主要功用是将蓄电池的12~14V的低压电转变为6000~8000V的高压电。
参考答案:对
How the loans are paid should be of little concern to the bank ________ they are paid on time. [ ]
A. as well as
B. as soon as
C. as long as
D. as far as
大容量的异步电动机采用直接起动。()