工业供水在管道中的常用流速范围为

Array ( [url] => https://sp0.baidu.com/5a1Fazu8AA54nxGko9WTAnF6hhy/su?wd=%E5%B7%A5%E4%B8%9A%E4%BE%9B%E6%B0%B4%E5%9C%A8%E7%AE%A1%E9%81%93%E4%B8%AD%E7%9A%84%E5%B8%B8%E7%94%A8%E6%B5%81%E9%80%9F%E8%8C%83%E5%9B%B4%E4%B8%BA [html] => [htmlhttp] => Array ( [0] => HTTP/1.x 0 ) [requesthttp] => [info] => Array ( [url] => https://sp0.baidu.com/5a1Fazu8AA54nxGko9WTAnF6hhy/su?wd=%E5%B7%A5%E4%B8%9A%E4%BE%9B%E6%B0%B4%E5%9C%A8%E7%AE%A1%E9%81%93%E4%B8%AD%E7%9A%84%E5%B8%B8%E7%94%A8%E6%B5%81%E9%80%9F%E8%8C%83%E5%9B%B4%E4%B8%BA [content_type] => [http_code] => 0 [header_size] => 0 [request_size] => 0 [filetime] => -1 [ssl_verify_result] => 0 [redirect_count] => 0 [total_time] => 30.001288 [namelookup_time] => 0 [connect_time] => 0 [pretransfer_time] => 0 [size_upload] => 0 [size_download] => 0 [speed_download] => 0 [speed_upload] => 0 [download_content_length] => -1 [upload_content_length] => -1 [starttransfer_time] => 0 [redirect_time] => 0 [redirect_url] => [primary_ip] => [certinfo] => Array ( ) [primary_port] => 0 [local_ip] => [local_port] => 0 ) [statics] => 0 [code] => 3 ) 全采集禁词，请更换词后重新采集！