jī​wù

machine maintenance

机务 機務 jī​wù
machine maintenance
Matters relating to the operation, maintenance, and repair of machinery or locomotives
important matters
(literary) Confidential or crucial government or administrative affairs
maintenance personnel
Staff or personnel responsible for the operation and maintenance of machinery

Frequency

Written text
0.827 per million

Sources

Frequency data
BCC Corpus (BLCU)