同义词
1)direct acting recording instrument,直流作用记录仪2)direct-acting recording instrument,直接作用记录仪器3)indirect acting recording instrument,间接作用记录仪4)direct acting recording instrument,直接作用记录器5)DC automatic recording fluxmeter,直流自动磁通记录仪6)indirect-acting recording instrument,间接作用记录仪表
