片语
nitrogen purification plant氮气凈化装置
refining plant凈化装置;精制装置
chemical purification plant化学凈化厂
sewage purification plant污水凈化厂
wastewater purification plant废水凈化站
primary water purification plant一次水凈化装置
Natural Gas Purification Plant天然气凈化厂
reconditioner调整机;凈化装置;再生装置;重调湿室
special purification plant专用废水凈化装置
joint purification plant联合凈化厂
purification of plant virus植物病毒提纯