The oil （） in the discharging water from oil water separator exceeds 15 PPM without alarm, because the coil was burnt out. ["filter","hole","pollution","content"]
下面哪项指标是描述图像在屏幕上更新的速度（）。 ["分辨率","色深","刷新频率","带宽"]
冲模导向零件一般包括哪些？
The internal part of boiler should be cleaned by yard if found （）. ["scaled","worn","deformed","rested"]
可以在税后提取的项目有（） ["偿债基金","法定盈余公积金","任意盈余公积金","公益金"]
压料、卸料、出料零件一般包括哪些？
