交換機

switch (telecommunications)

to hand over / to deliver / to pay (money) / to turn over / to make friends / to intersect (lines) / variant of 跤[jiao1]

to exchange / to swap / to switch (telecom) / commutative (math) / to commute

to exchange / to change (clothes etc) / to substitute / to switch / to convert (currency)

(bound form) machine; mechanism / (bound form) aircraft / (bound form) an opportunity / (bound form) crucial point; pivot / (bound form) quick-witted; flexible / (bound form) organic

electronic switching system (telecom.) / stored program control exchange (SPC)