中久字幕日韩精品免费看,国产寡妇婬乱A片AAAA片下载,一级毛片日本视频蜜桃视频,四川bbb搡bbb爽爽爽视频,国产精品人妻无码久久久久
?
LD100-3 a water conservancy project in Zhejiang
writer:ld-driller | time:2020-09-04 10:41:58

s20151120141145.jpg


Professional manufacturer of crawler-type fully hydraulic multifunctional drilling rig

Equipment usage: this equipment is widely used in urban deep foundation pit support, foundation reinforcement engineering, power station, highway and railway mountain slope treatment anchor cable reinforcement, tunnel pipe shed advance support, foundation pit oblique pull cable anchor, anti-floating anchor Rod, ground source heat pump well, subgrade reinforcement, water and electricity engineering Dam and dam body anti-seepage treatment, drainage hole, mine and quarry blasting hole, micro pile hole, etc.

Features of the device:

1. Fast speed: the hydraulic system of this series of drilling rig adopts overload sensing system, which is sensitive and easy to operate, flexible and accurate. Power head fast forward and fast rewind speeds can reach 1 m/s, which is conducive to improving work efficiency.

2. Power head is strong: This series drill power unit power head adopts high torque rotating motor, and the rotating power is stronger. The hydraulic pressure of colleges and universities is impactor, which can adapt to various complex formation construction.

3. Flexible operation: through the coordinated movement of multiple joints, the truss can be selected or tilted in multiple directions, thus realizing various construction actions and working angles of the drilling rig and effectively reducing the labor intensity of the construction personnel. It greatly enhances the site adaptability and flexibility of the rig.

4. Power head thread compensation mechanism: a thread compensation mechanism is added to power head, which is convenient and quick to replace drill pipe and casing, reduces the difficulty of operation, and protects the thread of drill pipe and casing at the same time, it effectively extends the service life of drill pipe and casing, and avoids the violent impact of hydraulic system when changing drill pipe and casing.

Quanzhou Qianshan Machinery Technology Co., Ltd.

Address: Dongmen industrial zone, West Gate, Quanzhou city

Phone number: 0595-86789668 Chuanzhen 0595-86789668

Sales Department: 18150590086 after-sale Department: 13314988686

Email address: front_mountain@163.com

Website: baid9.cn





?
TELPRODUCTSSMSHOME more

深爱激情网婷婷五月天狠狠爱 | 欧美激情一区二区A片成人牛牛 | www.久久久.c0m | 精品黄色视频免费在线好看 | 国产 日韩 欧美 | 在国产欧美日韩在线 | 亚洲精品无码成人区久久 | 东凛 色情影片 - 8MAV | 国产高清无码在线视频 | 你懂的视频在线观看 | 国产精品又粗又长又猛又黄的视频 | http://25cb.com/| 大胸丰满熟妇一级A片麻豆 国产一区二区无码AV在线 | 日本在线观看www | 欧美性猛交xxxx | 国产又粗又猛又爽又黄刘涛视频九色 | 大又大又粗又硬又爽少妇毛片 | 国产成人自拍视频网站 | 在线黄色五月天视频 | 东北少妇不戴套对白第一次 | 麻豆精品秘 国产传媒mv在线观看 | 日本人妻初尝黑人巨影院 | 围产精品久久久久久久蜜臀 | www.国产精品.com| 亚洲AV蜜桃永久无码网 | 国内精品久久久久久久久久齐齐 | 日韩精品一区二区第1页 | 性大交色情A片久久爽毛片A级 | 亚洲乱码国产乱码 | 1988年一级婬片A片 | 亚洲AV无码乱码精品国产 - 百度 | 国产精品一区二区视频 | 亚洲国产精品无码成人片久久 | 人妻 日韩 欧美 综合 | 国产一二三在线观看 | 中文字幕熟女人妻 | 波多野结衣一区二区三区国产精品 | 国产性猛交╳XXX乱大交 | ,粉嫩小泬BBBB免费看 | 影音先锋2019在线观看 | 99久久a线观看品 |