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【单选题】

减速器中,支承齿轮的轴属于 轴。

A.
传动轴
B.
固定心轴
C.
转轴
D.
转动心轴
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题目标签:减速器属于齿轮
参考答案:
参考解析:
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举一反三

【单选题】Passage 3 Questions 11 to 15 are based on the following passage: Scientists in India have invented a new way to produce electricity. Their invention does not get its power from oil, coal or other fuel...

A.
Because bullocks have long been used by Indian people
B.
Because bullocks walk slowly and are easy to control.
C.
Because there are few non-working bullocks in India
D.
Because there is not enough oil in India.

【多选题】以下属于观察法优点的是( )。

A.
自然、客观、准确
B.
直接、简单易行
C.
时间长
D.
费用高

【多选题】减速器的功能包括( )

A.
增加速度
B.
降速
C.
增矩
D.
改变传动方向

【单选题】抽油机减速器漏油时应()。

A.
拆洗清理呼吸阀
B.
降低载荷
C.
调慢冲次
D.
调平衡

【单选题】不属于腹主动脉成对脏支的是

A.
肾上腺中动脉
B.
睾丸动脉
C.
肾动脉
D.
卵巢动脉
E.
肠系膜上动脉