【单选题】【消耗次数：1】
当价格大于平均成本时，厂商存在（）
①
正常利润
②
超额利润
③
贡献利润
④
亏损
参考答案：
复制
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相关题目
随机题目
【单选题】
工艺流程图中，绘制主要工艺物料管道采用的线型为 ，辅助管道采用的线型为 ，阀门采用的线型为 。1.粗实线 2.细实线 3.点画线 4.中实线
①
1,2,3
②
1,4,2
③
2,3,4
④
3,4,1
【简答题】
工艺管道及仪表流程图的读图要求？
【多选题】
图板不用时如何放置？
①
Normal
0
7.8 磅
0
2
false
false
false
EN-US
ZH-CN
X-NONE
/* Style Definitions */
table.MsoNormalTable
{mso-style-name:普通表格;
mso-tstyle-rowband-size:0;
mso-tstyle-colband-size:0;
mso-style-noshow:yes;
mso-style-priority:99;
mso-style-parent:"";
mso-padding-alt:0cm 5.4pt 0cm 5.4pt;
mso-para-margin:0cm;
mso-para-margin-bottom:.0001pt;
mso-pagination:widow-orphan;
font-size:10.5pt;
mso-bidi-font-size:11.0pt;
font-family:等线;
mso-ascii-font-family:等线;
mso-ascii-theme-font:minor-latin;
mso-fareast-font-family:等线;
mso-fareast-theme-font:minor-fareast;
mso-hansi-font-family:等线;
mso-hansi-theme-font:minor-latin;
mso-font-kerning:1.0pt;}
随意放置
②
Normal
0
7.8 磅
0
2
false
false
false
EN-US
ZH-CN
X-NONE
/* Style Definitions */
table.MsoNormalTable
{mso-style-name:普通表格;
mso-tstyle-rowband-size:0;
mso-tstyle-colband-size:0;
mso-style-noshow:yes;
mso-style-priority:99;
mso-style-parent:"";
mso-padding-alt:0cm 5.4pt 0cm 5.4pt;
mso-para-margin:0cm;
mso-para-margin-bottom:.0001pt;
mso-pagination:widow-orphan;
font-size:10.5pt;
mso-bidi-font-size:11.0pt;
font-family:等线;
mso-ascii-font-family:等线;
mso-ascii-theme-font:minor-latin;
mso-fareast-font-family:等线;
mso-fareast-theme-font:minor-fareast;
mso-hansi-font-family:等线;
mso-hansi-theme-font:minor-latin;
mso-font-kerning:1.0pt;}
水平放置
③
Normal
0
7.8 磅
0
2
false
false
false
EN-US
ZH-CN
X-NONE
/* Style Definitions */
table.MsoNormalTable
{mso-style-name:普通表格;
mso-tstyle-rowband-size:0;
mso-tstyle-colband-size:0;
mso-style-noshow:yes;
mso-style-priority:99;
mso-style-parent:"";
mso-padding-alt:0cm 5.4pt 0cm 5.4pt;
mso-para-margin:0cm;
mso-para-margin-bottom:.0001pt;
mso-pagination:widow-orphan;
font-size:10.5pt;
mso-bidi-font-size:11.0pt;
font-family:等线;
mso-ascii-font-family:等线;
mso-ascii-theme-font:minor-latin;
mso-fareast-font-family:等线;
mso-fareast-theme-font:minor-fareast;
mso-hansi-font-family:等线;
mso-hansi-theme-font:minor-latin;
mso-font-kerning:1.0pt;}
垂直放置
④
Normal
0
7.8 磅
0
2
false
false
false
EN-US
ZH-CN
X-NONE
/* Style Definitions */
table.MsoNormalTable
{mso-style-name:普通表格;
mso-tstyle-rowband-size:0;
mso-tstyle-colband-size:0;
mso-style-noshow:yes;
mso-style-priority:99;
mso-style-parent:"";
mso-padding-alt:0cm 5.4pt 0cm 5.4pt;
mso-para-margin:0cm;
mso-para-margin-bottom:.0001pt;
mso-pagination:widow-orphan;
font-size:10.5pt;
mso-bidi-font-size:11.0pt;
font-family:等线;
mso-ascii-font-family:等线;
mso-ascii-theme-font:minor-latin;
mso-fareast-font-family:等线;
mso-fareast-theme-font:minor-fareast;
mso-hansi-font-family:等线;
mso-hansi-theme-font:minor-latin;
mso-font-kerning:1.0pt;}
倾斜放置
【多选题】
简述正棱柱的作图步骤，写出作图顺序。1.作底面最能反映形状、特征的图形2.作立体最能反映形状、特征的图形3.作侧面的投影，可简化为作侧棱的投影4.作底面另两面的投影
①
1,2,3
②
1,4,3
③
2,3,4
④
2,4,3
【单选题】
带切口圆柱三视图正确的是<img src="https://file.icve.com.cn/ssykt/293/762/494BE9F27082F46369578F5E39161411.png"/>
①
<img src="https://file.icve.com.cn/ssykt/92/317/1734F413C584333E8D80BAE982C46850.png">
②
<img src="https://file.icve.com.cn/ssykt/943/633/EBE9E622E94B514C96E5A7F7C92EB4EB.png">
③
<img src="https://file.icve.com.cn/ssykt/312/811/4E2CAD5B3A1BD8950DDC8F573CA1A520.png">
④
<img src="https://file.icve.com.cn/ssykt/928/493/E807B7041A6F8E141A463904A473D616.png">