【机】 gear tester
gear; gear wheel
【计】 cog wheel
【医】 cog; gear
check up; examine; inspect; censor; check; look-over; inspection
【计】 inspectoscope
【医】 docimasia; examination; inspection
【经】 check; check up; checking; examination; examine; inspection; monitoring
survey
chance; crucial point; engine; machine; occasion; organic; pivot; plane
flexible
【医】 machine