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1、看网上还百度不出来这个问题的回答，可能太简单了，但也费了我半天劲。通过如下方法即可：控件的指针-setEnable(bool)，//设置可用-setDisable(bool)//设置不可用-setVisible(bool)//设置可见我遇到的问题是，想设置QCheckBox不可用，百度了半天也没找到，后来问同事的。QCheckBox这个类本身在帮助文档中找不到这个setEnable的方法，也不知道从哪个父类中继承下来的。所以推断所有控件设置不可见，不可用时，都可尝试调用这些方法。instrumenthasasingletestcondition,willbetransferredto
2、thecoordinationofthetestphase,theinstrumentaccordingtothestand-alonetrialsscheduled,withtheprocesspreparationoftestsolutions,equippedwithprofessionaltechniciansandskilledworkers,toensuresafetyandquality.6.weldingengineeringconstructionprogramme6.1thisengineeringusedconstructionspecification6.1.
3、1siteequipment,andindustrialpipelineweldingengineeringconstructionandtheacceptancespecificationGB50268-976.1.2oilchemicaltoxic,andcanburningmediapipelineengineeringconstructionandtheacceptancespecificationSH3501-20026.1.3oilchemicallowtemperaturesteelweldingproceduresSH/T3520-20046.1.4oilchemic
4、alchromenickelAustrian'sbodysteel,andironnickelalloyandnickelalloypipelineweldingproceduresSH/T3523-19996.1.5SHJ520-92petrochemicalengineeringtechnicalspecificationforweldingofCR-MOheat-resistantsteelpipe6.1.6ofthepressurevesselNDT4730-946.2JBweldpreparation6.2.1constructionaccordingtothemateri
5、alsoftheprojectspecificationsandweldingmethods,providingqualifiedweldingprocedurequalificationreport.6.2.2qualifiedweldingprocedurequalificationbasedonthepreparationofweldinginstruction,guidethewelderweldingoperations.6.2.3whereparticipationinsitewelding,mustbeinpossessionofboilerandpressureves
6、selweldercertificatesissuedbytheLaborDepartment.6.2.4whereinvolvedinthepipeandsteelstructureweldingwelders,welderbeforeentryexaminationsshouldattendtheowners,andconstructionshouldbemadewithinthescopeandeligibilityapprovedbythequalityandtechnologysupervisiondepartmentsandowners.6.2.5qualifyforwe
7、ldingwelder,weldingprocess,shouldbeapprovedbyweldingtheweldingprocess.instrumenthasasingletestcondition,willbetransferredtothecoordinationofthetestphase,theinstrumentaccordingtothestand-alonetrialsscheduled,withtheprocesspreparati
