- 1、segmentalorificeplate2、quadrant-edgeorificeplate3、Orificeplate,methodofproductionoforificeplate,liquidmixingapparatus,andprinterapparatus.4、Thethrottlingorificeplateisextensivelyusedinpetrochemicalplant,refineryandgastreatingplant.5、Theparamet...
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- Methods:Therootcanalwithrootcanalorificebursandhelicaldrillingbitswerepreparedinadvance.Objective:Tointroduceanewprefabricatedpost-and-coresystem,ahelicaldrillingbitandaprefabricatedpost-and-coreconsistingofarootcanalorificeburwhichwasdesignedbytheau...
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- square-edgedorificeorifice-and-plugflowmeterquadrant-edgeorificeplateextra-largeorificesprinklersystemconcentricorificewithflangetapscystofexternalurethralorificeRestrictionorifice;Firerelief;Diameterselection;bellows-typegasororificemeterThetumormay...
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- Amembranousfoldoftissuethatpartlyorcompletelyoccludestheexternalvaginalorifice.Toreachastageinlaborwhenalargesegmentofthefetalscalpisvisibleatthevaginalorificeofafetusortheheadofafetus....
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