国产一区二区久久久|亚洲另类精品国产一级|一级国产精无码在线观看|成人国产精品高清在线观看|麻豆亚洲福利电影欧美在线|久久精品国产主播一区二区|亚洲aⅴ男人的天堂在线观看|嫩草伊人久久精品少妇av小说

Model features:

Using a novel, efficient, energy-saving burner, thermal efficiency.

Flame detection device, adjustable temperature controller, a flameout protection device, burn you with the rest assured, comfortable.

Intelligent automatic temperature control, no heat, no residue, avoid the acid value increase, black oil, greatly reducing the working range.

Water oil one, automatic filter.