单词：hardeners
(hardener 的复数) n. 硬化剂
[计] 固化剂, 硬化剂
[计] 固化剂, 硬化剂
plural of hardener
n. One who, or that which, hardens; specif., one who tempers
tools.
n. One who, or that which, hardens; specif., one who tempers
tools.