catalyst deterioration催化剂: catalyst; catalytic agent衰变: decay; disintegration; alpha ...催化剂: catalytic agent; catalyzer; catalysator; catalyzator; catalyst催化剂，触媒，活化剂: activator催化剂，触媒，冷化剂: catalyst下载手机词典可随时随地查词查翻译关注微信公众号：chachacidian，回复:催化剂衰变，即可在微信中查询翻译
