皮皮学，免费搜题
登录
搜题
【判断题】
法兰密封中.法兰的刚度比强度更重要。A.
正确
B.
错误
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
【多选题】以下关于公共卫生间、浴室通风的描述,正确的有:
A.
公共卫生间和浴室应设机械排风系统
B.
排风量应大于补风量，保证卫生间或浴室相对于其他区域维持一定负压
C.
公共浴室必须设置气窗
D.
机械排风量按换气次数确定。
【简答题】Write a note of about 50~60 words based on the following situation: You are going to hold a house-warming party. Write a note to the Smiths to invite them to take part in it.
【简答题】Write a note of about 50~60 words based on the following situation: Suppose that your friend Lucy has some trouble with one of her roommates, and she feels hard to get on with her. Write a note to her...
【简答题】Write a note of about 50 — 60 words based on the following situation: You are preparing for TOEFL these days. You want to ask your friend, Sam, for some advice. Write him a note, expressing your reque...
【简答题】Write a note of about 50 ~ 60 words based on the following situation; You are a college student and want to show your appreciation to Professor Wang on Teachers Day. Write him a note to show your grat...
相关题目：