常见例句雙語例句We use the phase transfer catalyst to prepare DPDTT: Tetrabutylammonium hydrogen sulfate ( TBAS) as phase-transfer agent.最後利用相轉移催化劑法，B在相轉移催化劑四正丁基硫酸氫銨的催化下反應生成目標産物DPDTT。 返回 tetrabutylammonium hydrogen sulfate