固定式喷油器清洗仪除用来清洗喷油器外，还具有喷油器（）、（）功能。
参考答案：喷油器滴漏检查、喷油量
You are in the close project process. You are engaged in the activity to settle and close some contract agreements established for the project. Which of the following activities are you into
A) Administrative closure. B) Contract closure. C) Project executing. D) Planning.
有5分、1角、5角、1元的硬币各二枚，一共可以组成______种不同的币值．
