下面哪个是检验网点弹性排班计划的实施成效的主要评价指标?()
A.客户满意度
B.客户等候时间
C.客户放弃率
D.以上都是
参考答案:D
用所给单词的适当形式填空。
1. It is a _______ (China) festival.
2. He often buys pens. This is the_______(four) one.
3. His brother is ten _______ (year) old.
4. My _______ (birth)is June 4th.
气阀阀面与阀座为全接触式配合,其阀线宽一般为()。
A.0.5~1mm
B.1~1.5mm
C.1.5~2.5mm
D.2~3mm