皮皮学,免费搜题
登录
搜题
【多选题】
在()情况下,应对蓄电池进行均衡充电。
A.
经常充电不足或很少进行全充电的铅酸蓄电池(包括浮充运行方式的蓄电池)
B.
长时间搁置或极板经过检修后的蓄电池
C.
放电后在24h以上未及时进行充电,或使用已达3个月以上的蓄电池
D.
放电电流值过大或放电终止电压降到规定值以下时
E.
放电后在24h以下未及时进行充电,或使用达3个月以下的蓄电池
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】By the time when the course comes to an end, we ________ a lot about computers.
A.
will have learned
B.
are learning
C.
will learn
D.
have learned
【单选题】下列哪个扩展名表示数字音乐文
A.
avi
B.
mid
C.
png
D.
wmf
【单选题】下列哪个扩展名表示数字音乐文件
A.
avi
B.
mid
C.
bmp
D.
wmf
【单选题】(2) Your car needs .
A.
to oil
B.
being oiled
C.
an oil
D.
oiling
【简答题】阅读理解。 When was the last time you laughed a lot? Most people are the victim of an uncontrollable fit of laughter at least once in their lives. But when it happens in front of the television cameras, it...
【简答题】At the time when their parents were young, a lot of modern necessary equipment owned by young people now was regarded as ______.
【单选题】The time when a lot of people are travelling to or from work and so roads and trains are very busy
A.
Rush hour
B.
toll
【单选题】Even when he was a boy, the author spent a lot of time practicing writing because
A.
becoming a professional writer was his goal.
B.
he had something secret in his heart.
C.
learning to write was his childhood dream.
D.
people blamed him for his laziness.
【单选题】下列哪个扩展名表示数字音乐文件______。
A.
mid
B.
avi
C.
bmp
D.
wm
【判断题】测量的基本工作是平面控制测量和高程控制测量。( )
A.
正确
B.
错误
相关题目: