Warning: file_put_contents(): Only 0 of 5562 bytes written, possibly out of free disk space in /home/www/wwwroot/zidian/001308.com/index.php on line 55 成人免费无码不卡毛片有限公司,最新凹凸视频网
The cooling process of 0.70% carbon steel wires upon patenting in lead bath and CMC(Carboxyl Methyl Cellulose)aqueous solutions was measured respectively with the steel wire probes. 利用鋼絲探頭分別測量了含碳0.70%的鋼絲在鉛浴和CMC水溶液中的冷卻過程。