three-terminal
... three-terminal measuring 三端测量 three-terminal 三端 three-terminal measurement 三端量测 ...
TRIAC
three terminal regulator ; REGULATOR ; Three Terminal Voltage Regulators ; three endings manostat checking instrument
triac
两种意思·指文士之笔锋,武士之剑锋,辩士之舌锋;犹三始。