精密铸造表面粗糙度能达到多少

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Array ( [url] => https://sp0.baidu.com/5a1Fazu8AA54nxGko9WTAnF6hhy/su?wd=%E7%B2%BE%E5%AF%86%E9%93%B8%E9%80%A0%E8%A1%A8%E9%9D%A2%E7%B2%97%E7%B3%99%E5%BA%A6%E8%83%BD%E8%BE%BE%E5%88%B0%E5%A4%9A%E5%B0%91 [html] => window.baidu.sug({q:"精密铸造表面粗糙度能达到多少",p:false,s:[]}); [htmlhttp] => Array ( [0] => HTTP/1.1 200 OK [1] => Content-Type: text/javascript; charset=UTF-8 [2] => Date: Wed, 06 Mar 2024 23:24:57 GMT [3] => Server: rec-ui [4] => Tracecode: 14978551562354232586030707 [5] => Tracecode: 14978551560198413578030707 [6] => Content-Length: 66 [7] => [8] => ) [requesthttp] => Array ( [Content-Type] => text/javascript; charset=UTF-8 [Date] => Wed, 06 Mar 2024 23:24:57 GMT [Server] => rec-ui [Tracecode] => 1497855156235423258603070714978551560198413578030707 [Content-Length] => 66 ) [info] => Array ( [url] => https://sp0.baidu.com/5a1Fazu8AA54nxGko9WTAnF6hhy/su?wd=%E7%B2%BE%E5%AF%86%E9%93%B8%E9%80%A0%E8%A1%A8%E9%9D%A2%E7%B2%97%E7%B3%99%E5%BA%A6%E8%83%BD%E8%BE%BE%E5%88%B0%E5%A4%9A%E5%B0%91 [content_type] => text/javascript; charset=UTF-8 [http_code] => 200 [header_size] => 214 [request_size] => 682 [filetime] => -1 [ssl_verify_result] => 0 [redirect_count] => 0 [total_time] => 4.009436 [namelookup_time] => 3.806615 [connect_time] => 3.84495 [pretransfer_time] => 3.952063 [size_upload] => 0 [size_download] => 66 [speed_download] => 16 [speed_upload] => 0 [download_content_length] => 66 [upload_content_length] => -1 [starttransfer_time] => 4.009402 [redirect_time] => 0 [redirect_url] => [primary_ip] => 36.155.132.76 [certinfo] => Array ( ) [primary_port] => 443 [local_ip] => 168.76.70.58 [local_port] => 56364 ) [statics] => 0 [code] => 3 ) 全采集禁词,请更换词后重新采集!