【多选题】Which of the following choices could be covered when describing a company ?
A.
How many employees do you have ?
B.
What is your company's line of business
C.
What kind of products and services do your company provide ?
D.
When was your company founded ?
【判断题】焊接空载电压一般不超过100V,否则将对焊工产生危险
【判断题】焊接的空载电压一般不超过100V,否则将对焊工产生危险。
【单选题】When will a company renew an existing model?
A.
When it sells well and brings in a good profit.
B.
When it needs improvement to meet the needs of users.
C.
When some of its features have to be deleted.
D.
When certain options have to be added.
【判断题】白色亚光塑料B: 漫反射:亮度:223; 反射:亮度:211;反射光泽度:0.8;细分:25;打开“菲涅耳反射”; 折射:折射率:2.5; 双向反射分布函数:沃德; 贴图:反射值:80;