Warning: file_put_contents(): Only 0 of 5251 bytes written, possibly out of free disk space in /www/wwwroot/ppbbu/52065.com/index.php on line 55 three-step controller例句_three-step controller英汉例句_three-step controller双解例句_伍贰汉英词典
Material tube can move forth and backward, it facilitates the cleaning of hopper. Three(four)-step thermal controller is better for shaping. 料管可前后移动，清料及更换料头方便，螺杆三（四）段温度控制，使之塑化效果更好。