皮皮学，免费搜题
登录
搜题
【简答题】
喷嘴挡板岡的零位压力为什么取 0.5Ps左右, ,和对其性能有什么影响?
拍照语音搜题，微信中搜索"皮皮学"使用
参考答案：
参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【单选题】Now you will hear ten short conversations. A question will follow each conversation Listen carefully and choose the best answer from the four possible cho ices.
A.
The man has come to a new understanding.
B.
The man has not painted any pictures yet.
C.
The woman is famous for painting pictures.
D.
The woman has not accepted the man's application.