liquid level regulator 液面调节器 ; 液位调节器

pneumatic liquid level regulator 气动液面调整器

liquid slip-regulator 液体转差调节器

liquid feed regulator 进液量调节器

liquid-immersed regulator 油浸式电压调整器

thermostatic liquid level regulator 恒温液位调节器

liquid slip regulator 滑差调节器

liquid oxygen regulator 液氧调节器

Electro-liquid speed regulator actuating mechanism 电液型调速器执行机构