国产美女裸体秘 无遮挡JK視頻,老少伦一区二区三区视频,中国www一二区视频,国产黄A片免费网站免费

?
LD-150 introduction
writer:ld-driller | time:2020-09-03 16:22:44

I. Application field of drilling rig LD-150 hydraulic anchor drilling machine is mainly used in power station, highway and railway mountain slope treatment anchor cable reinforcement, tunnel pipe shed advance support, foundation pit inclined pile cable anchor anti-floating anchor Rod, ground source heat pump well, subgrade reinforcement, hydropower engineering dam foundation and dam body anti-seepage treatment, drainage hole, mine and quarry blasting hole, micro pile hole and other projects.

II. Features of drilling rig LD-150 full hydraulic anchor drilling machine is a team composed of our company's technology, production department and on-site after-sales engineers, which integrates practical construction case experience under various working conditions and cooperates with innovative research, development and production.

2. Large drilling capacity. The rotary torque of the drilling rig is 15000Nm, and the imum starting force is 42-84kN;

3. Easy to operate and safe. Hydraulic oil Circuit adopts Integrated oil circuit, with few faults and high efficiency;

4 Hydraulic Circuit adopts double insurance to prevent overload of oil Inlet and return lines. Overload protection for drilling rig and drilling tools in the hole to effectively prevent accidents in the hole;


?
TELPRODUCTSSMSHOME more

主站蜘蛛池模板: 91超漂亮美女口爆吞精 | 自慰国产正在播放 | 欧美专区精品人妻中文字幕 | 久久Av一区二区三区杨思敏 | 国产精品国产三级国产专区53 | 欧美性爱XXXX | 极品丰满少妇一级毛片 | 国产精品99久久久久久久久久久久 | 亚洲图片精品日韩在线 | 亚洲午夜福利在线观看 | 真人一级特黄大片 | 又大又粗又晃视频 | 日产av一区二区 | 911精品人妻一区二区三区A片 | 中文字幕一区二区三区人妻在线视频 | 欧美性妇BBB洗澡 | 无码人妻一区二区三区线花季传件 | 无码人妻精品一区二区三区蜜桃视频 | 国产全是老熟女太爽了 | 三级片黄片免费观看 | 性感人妻在线看片 | 久久久精品人妻一区 | 护士性做爰A片免费看 | 国产精品人人做人人爽歪歪 | 国产丰满熬女乱婬0000 | 欧美精品福利视频 | 色情一级AA片免费观看橘子 | 人妻无码一区二区三区黑人 | 午夜自产精品一区二区三区游乐网 | 中文av在线播放 | 熟女人妻AⅤ一区二区三区电影 | 欧美性猛交7777777 | 国产精品人妻无码久久久豆腐 | 四叶草无码A V | 最近最经典中文av字幕在线 | 一道本在线诱惑视频 | 99久久老熟妇仑乱三区 | 精品国产av久久 | 屁屁影院国产第一页 | 绯色AV蜜臀AV无码 | 私人玩物爆乳VIP福利视频 |