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问题 问答题 简答题

简述什么是起伏成形？

答案

参考答案：

起伏成形是在模具作用下，通过板料局部产生凸起或凹下变形来改变毛坯或半成品形状的冲压工艺称为起伏成形。

单项选择题

在Windows系统下能够得到下面信息的命令是______。
Interface List
0xl………………MS TCP Loopback interface
0x10003…OO 14 3f 7b 46……Realtek RTL8139/810x Family FastEthernet NIC
------------------------------
------------------------------
Active Routes：
Network Destination NetmaskGateway Interface Metric
0.0.0.0 0.0.0.0202.113.76.1 202.113.76.20520
127.0.0.0 255.0.0 0 127.0.0.1 127.0.0.1 1
202.11 3.76.0255.255.255.0 202.113.76.205 202.113.76.20520
202.11 3.76.205 255.255.255.255 127.0.0.1 127.0.0.1 20
202.11 3.76.205 255.255.255.255 202.11 3.76.205 202.113.76.20520
224.0.0.0 240.0.0.0202.113.76.205 202.113.76.205 20
255.255.255.255 255.255.255.255 202.113.76.205 202.113.76.205 1
Default Gateway: 202.113.76.1
------------------------------------------------------------------------------------
------------------------------------------------------------------------------------
Persistent Routes：
None

A．nbtstat-r

B．netstat-a

C．route print

D．net view
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选择题

Greek is the birthplace of the Olympic Games; ________ the Olympic Torch is lighted there every time they are held. [ ]

A. where

B. which

C. from which

D. X

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