国产精品丝袜久久久 I 村妇叫床粗口对话 I 欧美日韩一级二级 I bdsm虐捆bdsmtvbbw I 九九热黄色片 I 欧美精品一区在线 I 91福利在线看 I 麻豆传媒免费看 I 欧美字幕 I 婷婷俺去啦 I 亚洲艹尤物 I 免费毛片在线视频 I 人的交配视频 I 国产男女猛烈无遮掩免费观看网站 I 性生活免费视频观看 I 亚洲第一在线综合在线 I 免费的一级片 I 欧美高清性视频 I 激情欧美性 I 日本www.色 I 看娇妻被两朋友调教公用 I 操刘亦菲 I 大尺度做爰无遮挡露器官 I 欧美白人最猛性xxxxx69交 I 五月婷婷在线免费观看 I 青青草国产精品 I 日本一区二区在线观看视频 I 亚洲婷婷在线 I 德国男同裸裸gay按摩 I 日韩一区二区三区观看 I 国产99免费视频 I 91插插插插插插 I 亚洲国产成人久久 I 91美女精品网站 I 久久精品视频5

1. The whole saccharification equipment is made of imported stainless steel. The internal surface of the vessels is polished. The external surface undergoes matte treatment and fog & oil cover light treatment. After treatment by the technology, the surface on the equipment is intact with graceful appearance, without welding seams, surface fog color, color changes and strong reflected lights.

2. The parts of gas discharging pipes on the second floor is shaped with a plate, without ring seam welding, and they are connected with the boiler body in the manner of insertion without expansion joint and with nice appearance.

3. Honeycomb plates in the jackets of saccharification boiler and gelatinization boiler are shaped by special molds, and undergo internal annealing treatment so as to ensure welding quality.

4. By adopting special blending blade and rotation numbers, the saccharification boiler and gelatinization boiler are suitable for the technological requirements of using rice, corn and starch as the accessorial materials, which can reduce production costs.

5. The latest boiling boilers designed and manufactured can be classified into three categories: (1). high efficiency compulsory boiling; (2). low pressure dynamic boiling; (3). automatic circulative boiling.

All of these can effectively reduce boiling time and save large amount of energy.