catalyst hopper

漏斗颈陶文化,Funnel... ... ) Stemless funnel 无颈漏斗 ) catalyst hopper 催化剂漏斗 ) the Cultural Bottleneck 文化瓶颈 ...

... catalyst deterioration 触媒变质；催化剂变质 catalyst hopper 触媒漏斗；催化剂漏斗 catalyst life 触媒寿命；催化剂寿命 ...