属于ProE中的草绘特征的是（）。 ["拉伸","旋转","拔模特征","草绘孔"]
重点费用控制是行业的要求，也是企业发展的内在必需。2014年，应重点进行管控的费用有（）。 ["业务接待费","会议费","国内市场营销费","福利费"]
如果发现数字放映机冷却液液面接近或低于低于储液罐中线，需要及时补充冷却液。
Unless such oil tanker carries crude oil which is not suitable for crude oil washing，the oil tanker shall（）the system in accordance with the requirements of that Regulation. ["operate","check","install","overhaul"]
设立认证咨询机构应当有（）名以上取得注册的专职认证咨询师，其中至少有（）名高级咨询师。 ["5；1","4；1","3；1"]
冲压件材料的表面质量有何要求？
