three way catalytic converter意: meaning; idea为: support; stand for催化: catalyze; catalysis转换器: commutator; changer; switch; ...它: it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:意为“三元催化转换器”它是一种使，即可在微信中查询翻译
