interministerial       
adjective [ before noun ] (also inter-ministerial) uk/ˌɪn.tə.mɪn.ɪˈstɪə.ri.əl/ us/ˌɪn.t̬ɚ.mɪn.əˈstɪr.i.əl/
 部长间的
involving different ministers (= important members of the government)
  The report proposes setting up an interministerial committee.
 The interministerial commission is due to present its recommendations on Friday. 部长间委员会将于周五提交建议。 
 - More examples
 - An inter-ministerial commission has been debating how to deal with future oil revenue.
 - It was announced at an interministerial meeting that the money would become available immediately.
 - She was the chair of an interministerial committee overseeing the economy.
 - The interministerial council was a vital tool for keeping track of his own government.