柴油机高温水系统冷却作用不包括（）。

A、中冷水系统

B、柴油机气缸套

C、增压器

D、气缸盖

Quality is achieved when （）.

A．the requirements have been met

B．customer expectations have been exceeded

C．the customer indicates acceptance of the product or service

D．the customer stops asking for additional features