产品详情
Exlar GSM40-0602-MEF-AB7-238-XM-36269 伺服电机 3000rpm 230v-ac
状况:新
品牌:EXLAR
模型:GSM40-0602-MEF-AB7-238-XM-36269
力量:不适用
转速:3000 转
轴外径:不适用
扭矩:不适用
电压(交流):230 伏交流电
电压(直流):不适用
发货地:厦门
重量:23.80 磅
方面:14.25 x 6.25 x 5.50
厦门雄霸电子商务有限公司是PLC与DCS系统备件解决方案供应商。我们围绕客户的需求持续创新,与合作伙伴开放合作,在能源,化工,钢铁,煤化,石油,电力,工业自动化等。我们致力于为企业和消费者提供有竞争力的价格和解决方案.持续提升延长控制系统寿命!降低您的维护成本!
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So far we've focused on loading documents and writing them back out. Most of the time, though, you're interested in the parse tree: the data structure Beautiful Soup builds as it parses the document.
A parser b (an instance of BeautifulSoup or BeautifulStoneSoup) is a deeply-nested, well-connected data structure that corresponds to the structure of an XML or HTML document. The parser b contains two other types of bs: Tag bs, which correspond to tags like the <TITLE> tag and the <B> tags; and NavigableString bs, which correspond to bs like "Page title" and "This is paragraph".
There are also some subclasses of NavigableString (CData, Comment, Declaration, and ProcessingInstruction), which correspond to special XML constructs. They act like NavigableStrings, except that when it's time to print them out they have some extra data attached to them. Here's a document that includes a comment:
价格优势,大量库存,持续上新,欢迎来电!!!
价格优势,大量库存,持续上新,欢迎来电!!!
价格优势,大量库存,持续上新,欢迎来电!!!