客户对加油站的满意程度越高,其回头率就越高,加油站销售情况就越好。
参考答案:对
写出下列单词的简写形式。
例:October Oct. second 2nd
1. January 2. September
3. February 4. first
5. eighth
滤毒罐总总重量超过()时失效。
A.20g
B.30g
C.40g
D.50g