作者: John H. Lazarus
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摘要: A cylindrical, or part diaphragm for a drip emitter is disclosed, the having depressed labyrinthine path in outer face thereof. The constituted by groove, there being one more holes which place end of groove communication with interior diaphragm. has thinner area forms distortable membrane. other communicates space lies radially outwardly placed cylindrical holder hole walling Said membrane extends over holder.