水质指数

water jet dust absorber

water pond

water spinach, {Ipomoea aquatica} Forsk.; 俗称“空心菜”。

water absorption

establishment【海洋】;high-water full and change【地物】;mean establishment【测】

operational test for water fire-extinguishing system【安全】

vacuous kidney unable to govern water

warm the water viscus