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【判断题】
轴的结构设计中,一般应尽量避免轴截面形状的突然变化,宜采用较大的过渡圆角,也可以改用内圆角、凹切圆角等。A.
正确
B.
错误
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【简答题】(U1 Listening)Task 2 Mr. Black is registering at the hospital in person. Listen to the conversation and fill in the blanks with what you hear. Mr. Black: Good morning. Nurse: Good morning. Sorry to ha...
【简答题】当 时, 恰为函数 的全微分.
【单选题】Sorry to have kept you( ), but Mr. Drake is not in right now.
A.
wait
B.
to wait
C.
waiting
D.
waited
【单选题】I'm sorry ____ so long, I forgot to tell you in advance where I had put my key.
A.
to keep you wait
B.
to keep you waiting
C.
to keep you waited
D.
to have kept you waiting
【简答题】工业机器人可与外部设备集成为一个功能单元,例如 , , 等。
【简答题】Mr. Black is registering at the hospital in person. Listen to the conversation and fill in the blanks with what you hear. Task 2.mp3: Mr. Black: Good morning. Nurse: Good morning. Sorry to have kept y...
【简答题】我想知道那一对老年夫妻是否有什么特殊要求。
【简答题】 Angels have nicknames to show their personalities and their goals for the future. 都市天使成员通过自己的绰号来 ( ) ,表明自己将来的目标。
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