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【单选题】
当轴上安装的零件要承受轴向,采用 来进行轴向固定,所能承受的轴向力较大 。A.
圆 螺母
B.
紧定螺钉
C.
弹性挡圈
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反馈参考答案：
举一反三
【单选题】I don't think it advisable that Tim _______ to the job since he has no experience.
A.
is assigned
B.
will be assigned
C.
be assigned
D.
has been assigned
【多选题】流通加工合理化的含义是实现流通加工的最优配置,在满足社会需求这一前提的同时,合理组织流通加工生产,并综合考虑( )的有机结合,以达到最佳的加工效益。
A.
加工与配送
B.
加工与运输
C.
加工与储存
D.
加工与商流
【单选题】I dont think it advisable mat Tim ______ assigned to the job since he has no experience.
A.
will be
B.
be
C.
has been
D.
is
【单选题】The teacher called Tim’s mother __________ what he had done in the test.
A.
because of
B.
because
C.
since
D.
as
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