变频器长期不用时,最好每隔半年通一次电。
参考答案:对
It is hoped that you can make some adjustments about the quality of your service the reactions of the customers.
A.in return for
B.in response to
C.in favor of
D.in charge of
承租企业如果将自己的生产设备卖给租赁公司,然后再以租赁方式租回使用的做法叫( )。
A.直接购买租赁
B.返租赁
C.服务性租赁
D.代理租赁