Preventive maintenance ().
A. should not be carried out during the watches
B. can only be carried out in port
C. is a kind of maintenances carried out prior to the occurrence
D. is a kind of maintenances carried out after the occurrence
查看答案
实现顾客满意的关键是()
A. 物质利益第一位
B. 提高顾客让渡价值
C. 为顾客省钱
D. 为顾客节省时间
夏台和钧台都是代称夏朝监狱。
A. 正确
B. 错误
红军游击战争的十六字诀是()
A. 敌强我弱
B. 敌进我退
C. 敌驻我扰
D. 敌疲我打