当卖方要求其经销商弃权处理竞争对手的产品,它被称为()。
A. 主观分布
B. 独家经营
C. 选择性分配
D. 独家定价
E. 非中介化
Before marine sewage treatment plant works () should be filled with fresh water.
A. deposition chamber
B. oxidation pool
C. disinfection chamber
D. all chamber
检修或司机离开胶带机时,把电源切断就可以了。
A. 正确
B. 错误
Generally speaking,the fuel injected into a marine diesel engine combustion chamber is ignited by().
A. spark plugs
B. glow plugs
C. heat of compression
D. a magneto