车削轴类零件的常用车刀有90°车刀、45°车刀、()等。 A.螺纹刀 B.成型刀 C

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问题:

车削轴类零件的常用车刀有90°车刀、45°车刀、()等。

A.螺纹刀

B.成型刀

C.切刀

D.圆弧刀

考点:数控车工考试高级数控车工高级数控车工题库
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圆柱形容器的内壁底半径是10cm,有一个实心铁球浸没于容器的水中,若取出这个铁球,测得容器的水面下降了
5
3
cm,则这个铁球的表面积为______cm2
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主应力状态图示共有()个。

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The nobler and more perfect a thing is, the later and slower it is becoming mature. A man reaches the mature (1) of his reasoning powers and mental faculties (2) before the age of twenty-eight; a woman at eighteen. And then, too, in the case of woman, it is the only reason of a sort--very mean in its (3) . That is why women remain children their whole life long; never seeing (4) but what is quite close to them, (5) fast to the present moment, taking appearance for (6) , and preferring (7) to matters of the first importance. For it is (8) his reasoning faculty that man does not live in the present only, (9) the brute, but looks about him and considers the past and the future; and this is the origin of (10) , as well as that of care and anxiety which so many people (11) Both the advantages and the disadvantages, which this (12) , are (13) in by the woman to a smaller extent because of her weaker power of reasoning. She may, in fact, be described as intellectually shortsighted, (14) , while she has an immediate understanding of what lies quite close to her, her field of (15) is narrow and does not reach to what is (16) ; so that things which are absent, or past, or to come, have much less effect upon women than upon men. This is the reason why women are inclined to be (17) and sometimes carry their desire to a (18) that borders upon madness. In their hearts, women think it is men’s business to earn money and theirs to spend it--if possible during their husband’s life, (19) , at any rate, after his death. The very fact that their husband hands them (20) his earnings for purposes of housekeeping strengthens them in this belief.

18()

A.end

B.limit

C.span

D.length

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根据《SDH本地网光缆传输工程验收规范》,检查设备出厂记录或厂验记录,电接口应达到设计要求,检查项目有()

A.输入口允许衰减

B.输出口信号比特率

C.输入口回波损耗

D.输出口回波损耗

题型:单项选择题

BIPI单板不包含下列哪个指示灯()。

A、RUN

B、ALM

C、ENUM

D、ACT

E、FREE

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