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1、口腔外科学[A1型题]1、临床上中度张口受限是指上下切牙切缘间距在A1cm以内（不到一横指）B1-2cm（约一横指）C2-3cm（约二横指）D3-4cm（约三横指）E4cm以上（三横指以上）2、口腔颌现外科常采用的闭式引流是A片状引流B纱条引流C管状引流D负压引流E都不是3、下列哪种情况不是放置引流的适应证A可能发生感染的污染创口B较浅小的无菌创口C留有死腔的创口D止血不全的创口E脓肿切开的创口4、临床创口分类中包括A无菌创口、污染创口、感染创口B污染创口、感染创口、化脓创口C感染创口、无菌创口、化脓创
2、口D化脓创口、无菌创口、污染创口E无菌创口、可疑创口、污染创口5、不作初期缝合的创口是A无菌创口B污染创口C感染创口D切开拔牙创口E有组织缺损的无菌创口6、临床上一般不用作浸润麻醉的药物是A普鲁卡因B利多卡因C布比卡因D地卡因E美匹卡因7、下唇麻木是哪种阻滞醉注射成功的主要标志A上牙槽后神经阻党麻醉B腭前神经阻滞麻醉C鼻腭神经阻滞麻醉belimitedtonomorethan2daysofwork,materialdepositedinspecialinsulatedcontainers,materia
3、lhandlingtogentlyandmakeuseofthermalinsulationmaterialinwindproof,waterproof,moisture-proofmeasure.6.2thermaldesignoptimizationforhigh-temperaturespecialthermalinsulationforpipingsupportandhangerdesign,reducedheatdissipationofthehangers,ensurethatthewall
4、doesnotoverheat.Small-diameterpiping,thermalinstrumentlayoutandpositioningofsupportandhangerdesigntakefullyintoaccounttheexpansionspaceandinsulationthickness.Large-diameterpipesafterheatpreservationplasteringconstructionofvalves,turbine,checkingsmoothsur
5、face,hightemperaturepowderpaintfullydryafter.Protectivecoveringsforelectricequipmentinsulationboardsdesignedwithpressureplate,whenorderingaccordingtotheinstallationdiagram,modelspecificationspublishingorder,ensurewheninstallingcornersneat,uniformappearan
6、ce,reducetheamountofon-sitemachining.Beforevalves,flangeinsulationshellconstruction,besuretomakeaunifiedmodel,allvalves,flanges,insulationcoverunified,tidyandbeautiful.Whenfourpartssuchaspipes,boilerinsulation,mustdofirstarticleinspection,proofofdesignan
7、dconstructionmethods,technologycanmeetthetechnologicalrequirements,beforeextensiveconstruction.Boilersteelbeams,dooropeningboxesdesignedwithinsulationgaskets,flangecannotbeoblique,evenfastened.Backintotheslopeofthetubingduringinstallationpayattentiontoth
8、epiping,oilstationisalowpoint.Refuelingmustbecontrolledwhencastingmaterialparts,selectlowthermalconductivitymaterialsasfaraspossible,ensurethatthesepartsdonotoverheat.6.3qualitydefectsofinsulationtechnologymanagementoptimi
