Word

HSK	Not in HSK
FREQUENCY	Unknown

通讯自动化 tōng xùn zì dòng huà

通 tōng HSK 4	pass through, common, communicate
讯 xùn HSK 6	inquire; ask; examine; reproach
自 zì HSK 3	self, private, personal; from
动 dòng HSK 2	move, happen; movement, action
化 huà HSK 3	change, convert, reform; -ize