基本释义:

硬水 HW

网络释义

1)hard water,硬水 HW

2)water treatment agent of tungsten base HW,钨系水处理剂 HW

3)software/hardware,SW/HW

4)class H~w,Hw类

5)HW Polyaminoresin,HW聚氨脂

6)HW~(2,2)estimate,HW~(2,2)估计