methylol造句
造句与例句手机版
- Resin finishing agent - determination of methylol formaldehyde content
树脂整理剂中羟甲基甲醛含量的测定方法 - Test method for qualitative determination of methylol group in phenolic resins
酚醛树脂中羟甲基组团定性测定的试验方法 - It's difficult to see methylol in a sentence. 用methylol造句挺难的