Moisture-hardening polyurethane for packaging adhesive was synthesized by using 1,4-butanediol(BDO) as chain extender,the trimethylolpropane(TMP) as cross linker.是什么意思_Moisture-hardening polyurethane for packaging adhesive was synthesized by using 1,4-butanediol(BDO) as chain extender,the trimethylolpropane(TMP) as cross linker.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句