![](http://static.xuejinqu.com/qimg/fc3/fc33af188f641521555a26c6a2f48fa7.png)
请完成以下任务:
(1)小明提出了下列设计要求,其中不合理的是________
A.改进后的钳口既可以夹持长方体,又可以夹持圆柱体;
B.改进后的钳口可以夹持任意尺寸的工件;
C.钳口材料要有足够的强度;
D.钳口夹持面要作防滑处理,钳口与钳身的连接方式保持不变。
(2)小明设计了三种钳口,其中结构合理的是________
A.
![](http://static.xuejinqu.com/qimg/9eb/9eb23e43aece79d477439d23fb3a4408.png)
![](http://static.xuejinqu.com/qimg/559/55977c753973c7195b4cd93d4a522a51.png)
![](http://static.xuejinqu.com/qimg/349/349c5fc2e40794c95b60ee203b102306.png)
(3)用大小合适的方钢制作你所选方案的一侧钳口,合理的加工流程为:A→________→________→C(在“A.划线;B.锯割;C.锉削;D.钻孔”中选择合适的选项,将序号填入“________”处);
(4)要把改进后的钳口安装到台虎钳上,合理的安装孔形式是________、________(在下列选项中选择合适的选项,将序号填入“________”处)。
A.
![](http://static.xuejinqu.com/qimg/631/6317fc9835a90830c40899fff94eb2bb.png)
![](http://static.xuejinqu.com/qimg/961/9616c6802a4934fc682a666b7e21a2a9.png)
![](http://static.xuejinqu.com/qimg/2eb/2eb3c193cfa8f438435516fb6da5c632.png)
![](http://static.xuejinqu.com/qimg/4fd/4fdcadb8cceb04423d9c933c0115d981.png)
![](http://static.xuejinqu.com/qimg/62a/62acdb96deab0515d458f582afe663d6.png)
![](http://static.xuejinqu.com/images/y-prise.png)
同类型试题
![](http://static.xuejinqu.com/images/medal.png)
y = sin x, x∈R, y∈[–1,1],周期为2π,函数图像以 x = (π/2) + kπ 为对称轴
y = arcsin x, x∈[–1,1], y∈[–π/2,π/2]
sin x = 0 ←→ arcsin x = 0
sin x = 1/2 ←→ arcsin x = π/6
sin x = √2/2 ←→ arcsin x = π/4
sin x = 1 ←→ arcsin x = π/2
![](http://static.xuejinqu.com/images/avatar.png)
![](http://static.xuejinqu.com/images/avatar.png)
y = sin x, x∈R, y∈[–1,1],周期为2π,函数图像以 x = (π/2) + kπ 为对称轴
y = arcsin x, x∈[–1,1], y∈[–π/2,π/2]
sin x = 0 ←→ arcsin x = 0
sin x = 1/2 ←→ arcsin x = π/6
sin x = √2/2 ←→ arcsin x = π/4
sin x = 1 ←→ arcsin x = π/2
![](http://static.xuejinqu.com/images/avatar.png)
![](http://static.xuejinqu.com/images/avatar.png)