各级领导机关 meaning in Chinese

leading organizations at all levels

The major measures they took are to appoint a propagandist in every branch , and to appoint a reporter at every leadership i eve i of the party
主要做法是：在党的每个支部设立宣传员，在党的各级领导机关设立报告员，并建立宣传员和报告员工作的一定制度。
In the southeast bureau and in all the provincial , special , county and district committees , the whole personnel ( from party secretaries to cooks ) must be strictly scrutinized one by one , and no one open to the slightest suspicion should be allowed to remain in any of these leading bodies
东南局和各省委、各特委、各县委、各区委的工作人员（从书记至伙夫），应该一个一个地加以严格的和周密的审查，决不容许稍有嫌疑的人留在各级领导机关之内。