皮皮学，免费搜题
登录
搜题
【单选题】
如下图所示，若PLC继电器输出使用电感性负载时，为降低噪音，延长寿命；在DC回路中，负载中并联( )。点击图片可放大【图片】A.
二极管
B.
吸收器
C.
保险丝
D.
以上都可以
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】试述微观经济学研究的基本问题。
【单选题】What does Mr. Gildenstein ask about?
A.
His boarding time
B.
The ticket price
C.
The boarding location
D.
The location of the ticket booth
【简答题】翻译:the boarding time of this flight is 11:30.
【简答题】There are over 800 boarding (寄宿) schools in the UK. Children of 7 to 18 can go to boarding schools. 小题1: In the UK, boarding schools have three terms in a school year, each student has his or her sub...
【单选题】boarding card和下面哪个词意思一样
A.
boarding time
B.
boarding pass
C.
boarding gate
D.
boarding door
相关题目：