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【单选题】
组成装配尺寸链至少有()、减环和封闭环。A.
组成环
B.
增环
C.
减环组成环
D.
环
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反馈参考答案：
举一反三
【单选题】滑块捞矛由（）组成。
A.
上接头、矛杆、滑块、锁块及螺钉
B.
上接头、筒体、滑块、锁块及螺钉
C.
上接头、矛杆、圆卡瓦、释放环
D.
上接头、矛杆、螺旋卡瓦、锁块及螺钉
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【简答题】Write an email to Paolo from Laura. Use Laura's picture in Task 3 to help you.
【简答题】Write an email to all international experts on campus inviting them to attend the graduationceremony In your email you should include time， place and other relevant information aboutthe ceremony. You ...
【简答题】Write an email to Paolo from Laura.
Use Laura’s picture in Task 3 to help you.
【简答题】柔柔的妈妈是怎么知道矛矛会和木儿一起玩儿这件事的?
【简答题】PART 2 Write an email to Max. In your email, you should &8226;explain which club you have joined &8226;suggest Max should visit the club &8226;say what you could do there together. ⅰ which club you ha...
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