【计】 dial exchage
【计】 dial-up; dialing; dialing dial-up
exchange; interchange; change for; commute; permutation; reciprocation
replacement
【计】 exchange; swap; swapping; switching; transput; X
【医】 chiasmapy; cross-over; crossing-over
【经】 interchange; swap
chance; crucial point; engine; machine; occasion; organic; pivot; plane
flexible
【医】 machine