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百度百科-驗證 if (!window['__abbaidu_2020_subidgetf']) { window['__abbaidu_2020_subidgetf'] = function () { var subid = 01000000; return subid; }; } !function(){ var $ = require('wiki-common:widget/lib/jquery/jquery'); var Dialog = require('wiki-common:widget/ui/dialog/dialog'); var ClickstreamSdk = require('wiki-common:widget/util/clickstreamSdk'); var clickstream = new ClickstreamSdk.default({ appname: 'baike', platform: 'web', device: 'pc', page: 'spam', auto: true }); var sourceUrl = "\/item\/q690D%E9%AB%98%E5%BC%BA%E5%BA%A6%E9%92%A2%E6%9D%BF"; var fromPage = "pc_lemma_page_risk_score"; var logParam = { page: 'spam', fromPage: fromPage } clickstream.logActEvent($.extend({}, logParam, {'act_type': 'show'})); function init() { if (window.sdkMachine) { var machineSDK = new window.sdkMachine({ container: document.body, title: '訪問異常，請進行驗證', ak: 'GHm64ouBF7GGAhXNcsae9xiVByAGWhMI', deviceType: 'pc', type: 'spin', testUrl: '', initApiSuccessFn: function() { machineSDK.init(); }, errorFn: function(err) { alert('errfn___' + err.message || '') }, verifySuccessFn: function(result) { $.ajax({ type: 'GET', url: '/api/anticrawl/captchaverify', dataType: 'json', data: { ds: result.ds, passTk: result.tk, clientType: 'pc', tk: "d4b87f38b35a5e84f28e8674b41132db", sourceFrom: fromPage }, success: function(res) { if (res && res.errno === 0 && !res.isSpam) { clickstream.logActEvent($.extend({}, logParam, {'act_type': 'verify-pass'})); if (sourceUrl) { machineSDK.close(); window.location.href = sourceUrl; } } else { var submitInform = Dialog.inform({ icon: 'WARNING', mainMsg: '驗證失敗，請重新驗證' }); submitInform.show(); setTimeout(function() { submitInform.hide(); }, 3000); machineSDK.close(); init(); } } }); }, verifyFailFn: function() { }, feedbackEvent: function(feedback) { return true; }, }); } }; init(); }(); !function(){ require('wiki-common:widget/component/psLink/psLink'); var clickstream = require('wiki-common:packages/utils/logger'); clickstream.logViewPage({ page: 'all-pc' }); var tmpBaiduId = ''; require(['wiki-common:widget/util/setBaikeTmpBaiduId.es'], function (setBaikeTmpBaiduId, cookie) { setBaikeTmpBaiduId(tmpBaiduId); }); }(); Q690D屬于高強度焊接結(jié)構(gòu)鋼。其中Q代表屈服強度，690代表屈服強度值，D代表鋼板的等級；常見的鋼板  質(zhì)量等級分別為A、B、C、D、E。D級鋼板的沖擊為﹣20°C。Q690D可稱為屈服強度690Mpa的耐低溫高強鋼。Q690D鋼板較高的屈服強度和抗拉強度，廣泛應(yīng)用于煤礦機械、工程機械，如液壓支架、港口起重機、平板運輸車。產(chǎn)地：新鋼、濟鋼、湘鋼交貨狀態(tài):TMCP+回火，和調(diào)質(zhì)執(zhí)行標(biāo)準(zhǔn)：GB/T1591-2008，GB/T16270-2009Q690D類似牌號：舞鋼WQ690D、ASTM SQ690D 武鋼HG785DQ690D尺寸規(guī)格現(xiàn)貨均可可下料切割，零割。材        質(zhì)厚度寬度長度備注WQ690D8    22709800舞鋼WQ690D15994030555電議WQ690D1022008000舞鋼WQ690D1522009000舞鋼WQ690D20240010000舞鋼WQ690D25230010200舞鋼WQ690D30250012000舞鋼WQ690D3522009200舞鋼WQ690D40250010000舞鋼WQ690D50250010000舞鋼WQ690D55240011500舞鋼WQ690D60220012000舞鋼WQ690D70230010150舞鋼WQ690D80250012000舞鋼WQ690D8523209550舞鋼WQ690D9022009700舞鋼WQ690D10021009200舞鋼WQ690D1594030555電議WQ690D11021008000舞鋼另有大量規(guī)格未列出。