皮皮学,免费搜题
登录
搜题
【单选题】
如果机械密封试运转时,机械密封发热、冒烟,一般认为( )引起的。
A.
弹簧比压过大
B.
介质中颗粒多
C.
流体压力大
D.
泄漏大
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】The members of parliament were ______ that the government had not consulted them.
A.
tolerant
B.
indignant
C.
crude
D.
impatient
【单选题】---Mike, your clothes are everywhere in your bedroom. ---Oh, sorry. I’ll ________right away.
A.
put them away
B.
put them up
C.
put them on
D.
put them down
【单选题】交流伺服电动机的励磁绕组和控制绕组在空间相差 度电角度。
A.
30
B.
60
C.
90
D.
120
【简答题】This is a period in which the old world is slowly but irreversibly changing and the contours of a new one are just beginning to take shape. Traditional institutions are being challenged. Budgets are b...
【单选题】砌筑隔墙包括普通砖隔墙和()隔墙。
A.
板材
B.
骨架
C.
砌块
D.
幕墙
【多选题】在苏州园林中,饲养猛兽的例子并不多,大多还是以石材塑造动物形象。例如( )
A.
留园“簖霞峰”
B.
退思园“金龟望月”
C.
狮子林狮子静观牛吃蟹
D.
留园石林小院“鹰犬斗”
【判断题】离心式刨片机(双鼓轮刨片机)与离心式打磨机最主要的不同之处在于叶轮的结构不同。
A.
正确
B.
错误
【单选题】This bus doesn’t go to the train station. I’m afraid you’ll have to ________ at the library and take the A30. A. take off B. put off C. get off D. turn off
A.
take off
B.
put off
C.
get off
D.
turn off
【多选题】胆道炎症进行十二指肠引流的体位是
A.
端坐位
B.
截石位
C.
头低脚高位
D.
膝胸卧位
E.
右侧卧位
【单选题】I'll ___  him off this time but next time he'll bepunished. [     ]
A.
leave
B.
let
C.
put
D.
set
相关题目: