【单选题】【消耗次数：1】
电动机的制动控制是指在电动机的轴上加上一个与其旋转方向相反的转矩，使电动机减速或快速停止。
①
正确
②
错误
参考答案：
复制
纠错
相关题目
【单选题】
检查电动车窗左后电动机时,用蓄电池的正负极分别接电动机连接器端子后,电动机转动,互换正负极和端子的连接后,电动机反转,说明( )。
①
电动机状况良好
②
不能判断电动机的好坏
③
电动机损坏
随机题目
【单选题】
If you are not certain who should be held responsible for the loss, you might file a claim ________ the insurance agent there.
①
to
②
against
③
in
④
for
【单选题】
Every package shall be marked “CCD” ___diamond and the package number.
①
into
②
in
③
on
④
with
【单选题】
The commodities you offered are________ line with the business scope of our clients.
①
outside
②
out
③
out of
④
without
【单选题】
Please quote us your lowest price, CFR LOS Angeles, including our 5% _____.
①
commission
②
consignment
③
committee
④
co-signature
【单选题】
We should be pleased to send you some samples of our new printers on approval, _______ our own expenses.
①
at
②
on
③
for
④
in
【单选题】
As the enterprise you inquired about is _______ in trading plastic products, we advise your caution in transaction with them.
①
inexperienced
②
inexperience
③
experienced
④
experience
【单选题】
This offer ____ on October 20, 2016. Your immediate reply by e-mail will be appreciated.
①
extends
②
expires
③
includes
④
stops
【简答题】
感谢你方122号询盘，现随函附上标题项下所述我方货物的报盘（详见223号报价单）