词汇	demand gap
释义	demand gap 需求缺口
随便看	solenoid lens solenoid magnet solenoid magnetic system solenoid magnetic therapy apparatus solenoid microinductor solenoid model solenoidoperate solenoid operate solenoid operated solenoid-operated solenoid operated actuator solenoid operated air valve solenoid-operated air valve solenoid operated circuit breaker solenoid-operated circuit breaker solenoid-operated circuit-breaker solenoid operated closing mechanism solenoid-operated closing mechanism solenoidoperated clutches solenoid operated clutches solenoid-operated clutchs solenoid operated directional valve solenoid operated four-way valve solenoid operated spoiler solenoid operated switch