皮皮学,免费搜题
登录
搜题
【单选题】
旋转机械产生振动的原因之一有旋转体( )。
A.
不均匀
B.
不平衡
C.
不一致
D.
不同
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
【简答题】Fill in the blanks with the expressions given below. Change the form where necessary. ups and downs meet with have nothing to do with work out supportive of all along on the suce incompatible with ...
【单选题】不是航空燃气涡轮发动机的压气机形式有:()
A.
离心式压气机
B.
轴流式压气机
C.
混合式压气机
D.
涡轮式压气机
【简答题】IV. Fill in the blanks with the expressions given below. Change the form where necessary. ups and downs meet with have nothing to do with work out supportive of all along on the suce incompatible w...
【简答题】I. Write the words based on the definition 1. ( ) especially attractive and exciting 2. ( ) capable of being perceived 3. ( ) to keep sth; to continue to have sth 4. ( ) ha...
【简答题】水泵、配套管路及附属阀门连接在一起,构成的出水装置叫做( )
【简答题】三。用括号内动词的正确形式填空。 1. We’re having a meeting this afternoon. The decision ________ (make) at the meeting will influence the future of our company. 2. Having a trip abroad is certainly good for the old c...
【简答题】托运人或者收货人不支付运费、保管费以及其他运输费用的,承运人对相应的运输货物享有( )。
【单选题】Outlook2010 软件用于()。
A.
浏览网页
B.
收听广播
C.
网上购物
D.
收发电子邮件
【判断题】传出神经系统药物根据药效特点,可分为拟似药和拮抗药。
A.
正确
B.
错误
【判断题】闽南话是源自中国北方的一种方言。
A.
正确
B.
错误
相关题目: