class 1 division 1电机是使用于工作环境中长期存在爆炸性气体的 class 1 division 2电机是使用于工作环境中偶尔会出现爆炸性气体 电机的防爆等级是根据class,division和group三个类别进行分类的,三个类别的具体划分如下: 1.区域爆炸性物质分类,主要区分环境内之爆炸性物质 2.危险区域等级分类,主要依据爆炸性环境内危...
国内为iib，group d代表性气体丙烷，国内为iia， 综上所述：class 1 div 2 group d 即代表气体防爆...
Div.1Div.2Div.1Div.2 危险区域划分范围 爆炸危险区域范围，是指在正常情况下爆炸危险浓度可能形成的区域范围，而不是指事故波及的范围。在这个区域范围内，应安装相应的防爆炸电气设备；爆炸危险区域范围外，可以安装非防爆炸型的电气设备。但是不能以这个范围作业能不能使用明火或其他火源为依据，因为电气设备与...
<div class="special reference"> <h3>Developer Guides</h3> For more information about creating user interface layouts, read the XML Layouts developer guide. </div> Here is a complete implementation of a custom ViewGroup that implements a simple android.widget.FrameLayout along with the ability to...
Unlike CSS IDs, CSS classes can be used on multiple elements, but keep in mind that you should keep the element type consistent. For instance, if you created a class to style a div, then you should use it on divs only, and not divs and tables, for instance. ...
While references to popular music were sought, only a few items were located and are included. There were two major obstacles confronted when compiling this bibliography. First, much of the media of the gay and lesbian communities in the United States is not indexed. Second, very few libraries...
. The android.view.ViewGroup subclass is the base class for <em>layouts</em>, which are invisible containers that hold other Views (or other ViewGroups) and define their layout properties. <div class="special reference"> <h3>Developer Guides</h3>...
Educating Gay Male Youth<div class="subtitle">Since When Is Pornography a Path Towards Self-Respect?</div> 喜欢 0 阅读量: 2604 作者:Christopher,N.,Kendall,SJD 摘要: SUMMARYIn 2000, in the case of Little Sisters Book and Art Emporium, the Canadian Supreme Court was asked to determine ...
Pass in a function to.addClass()to add the "green" class to a div that already has a "red" class. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36
RangePermissionEditingGroupValues ReadModeInkLockDown RecipientData RecipientDataReference Recipients RelationshipType RelyOnVML RemoveDateAndTime RemovePersonalInformation RestartNumberValues RevisionView RightBorder RightMargin RightMarginDiv RightToLeftText Rsid RsidRoot Rsids Ruby RubyAlign RubyAlignValues RubyBase...