熔融狀態的鋁熔體,因其氧化膜的非保護性,很容易被氧化和吸收。爲此選用一種熔點較低、比重較輕、流動較好、又能在鋁熔體表面迅速形成致密均勻保護膜的熔劑粉末撒在鋁液上,熔
品牌: 規格: 產地: 材質:
熔融狀態的鋁熔體,因其氧化膜的非保護性,很容易被氧化和吸收。爲此選用一種熔點較低、比重較輕、流動較好、又能在鋁熔體表面迅速形成致密均勻保護膜的熔劑粉末撒在鋁液上,熔化
品牌: 規格: 產地: 材質:
Fatal error: Uncaught GuzzleHttp\Exception\ConnectException: cURL error 7: (see http://curl.haxx.se/libcurl/c/libcurl-errors.html) in /www/wwwroot/code/vendor/guzzlehttp/guzzle/src/Handler/CurlFactory.php:185
Stack trace:
#0 /www/wwwroot/code/vendor/guzzlehttp/guzzle/src/Handler/CurlFactory.php(149): GuzzleHttp\Handler\CurlFactory::createRejection(Object(GuzzleHttp\Handler\EasyHandle), Array)
#1 /www/wwwroot/code/vendor/guzzlehttp/guzzle/src/Handler/CurlFactory.php(102): GuzzleHttp\Handler\CurlFactory::finishError(Object(GuzzleHttp\Handler\CurlHandler), Object(GuzzleHttp\Handler\EasyHandle), Object(GuzzleHttp\Handler\CurlFactory))
#2 /www/wwwroot/code/vendor/guzzlehttp/guzzle/src/Handler/CurlHandler.php(43): GuzzleHttp\Handler\CurlFactory::finish(Object(GuzzleHttp\Handler\CurlHandler), Object(GuzzleHttp\Handler\EasyHandle), Object(GuzzleHttp\Handler\CurlFactory))
#3 /www/wwwroot/code/vendor/guzzlehttp/guzzle/src/Handler/Proxy.php(28): GuzzleHttp\Handler\CurlHandler->__invoke(Object(GuzzleHttp\Psr7\Request), Array)
#4 /ww in /www/wwwroot/code/vendor/guzzlehttp/guzzle/src/Handler/CurlFactory.php on line 185