unsupported catalyst

石油英语词汇... ... unsupported casing 未胶结套管 unsupported catalyst 无担体催化剂 unsupported length 无支承长度 ...

unsupported是什么... ... unsupported barrel 自由悬挂卷筒 unsupported catalyst 无载体催化剂 unsupported distance 自由长度 ...

非负载型催化剂,non-supported... ... ) unsupported catalyst 非负载催化剂 ) supported catalyst 负载型催化剂 ...