高度活性碳氢化合物
highly reactive hydrocarbons
高活度废放射源
spent high activity radioactive sources
高活性低不饱和度聚醚
polyether with high activity and low unsaturation degree
高浓度活性污泥
High concentration activated sludge
high thickness of activated sludge
高浓度生活污水
high concentration municipal waste water
活塞环槽高度
piston ring groove height
活套高度闭环控制
closed-loop height control of looper
活套高度和张力控制
Looper height and tension control
标准密度高度
standard density altitude