catalyst elevator催化剂: catalyst; catalytic agent提升器: lifting mechanism提升器: hoister; raiser催化剂密相提升: dense-phase lifting of catalyst侧置提升器: side lift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:催化剂提升器,即可在微信中查询翻译