【机】 alternate immersion test
by turns; replace
【医】 alternation
【经】 interchange; rotation
macerate; ret; soak; soakage; steep
【计】 dipping
【化】 dip lye; dipping; impregnation; infusion; macerating; maceration
【医】 immersion; insuccation; Mac.; macerate; maceration
experiment; test; try; try on; try out; examination; experimentation; trial
trial run
【计】 breadboarding
【医】 probation; test; tria
【经】 test; trial