indoor oil circuit breaker
indoor type circuit breaker
alternation current circuit {= AC circuit}
earth circuit [= earth return circuit]
enlarged circuit and compensation circuit
single filip-flop circuit (sff circuit)
trip circuit and closing circuit
adjust indoor air humidity
allowed indoor fluctuation of
average indoor counting temperature
average indoor temperature
ceiling-mounted cassette type indoor unit
characteristics of indoor air convection
comfortability of indoor thermal environment
complex indoor environment