常見例句雙語例句The IR spectrum chart proved that the imidazoline quaternary-ammonium-salt was synthesized successfully.結(jié)果表明，紅外譜圖證明該實(shí)驗(yàn)成功地合成了咪唑啉季銨鹽緩蝕劑； 返回 imidazoline quaternary ammonium salt