main duct

• 主管

main duct的用法和样例：

例句

1. Obviously the main fault lies with the old directors.
   很明显，主要的责任在于老主管们。
2. The main sponsor of a periodical shall be a subordinate entity of its competent entity in charge.
   期刊的主要主办单位应为其主管单位的隶属单位。