diaphragming阻隔,调光圈(照相)diaphragmn.横隔膜；控光装置Diaphragm type pressure measuring system薄膜式测压系统diaphragm sealed displacement transmitter密封膜片容积式液位传感器diaphragm type differential pressure gauge膜片式差压计diaphragm-through style beam-column joint隔板贯通式节点Diaphragm Control Technology in Telephotography电视摄像中的光圈控制技术diaphragm chamber-type rate-of -rise detector膜盒差温探测器