词汇	recovery of waste water
释义	recovery of waste water 金废水净化
随便看	fastening of screens at lighting devices fastening of SHIELDS for lighting devices fastening of terminals fastening of typewriters fastening of typewriters typewriter table fastening plate Fastening position fastening rail chairs directly fastening rail chairs directly on masonry fastening rails on plate fastening rails on plateslabs fastening rails on sleepers fastening railway sleepers directly fastening ring fastenings fastening safety mechanism fastening safety mechanism sliding door fastening screw fastenings for garments fastening on fastening on bridges fastening on curtain rods fastening on curtain rodscurtain rails fastening on plates or sheets fastening on the shank of the key