亚洲欧美在线观看视频,午夜福利伦伦电影理伦片,欧美在线观看一区二区三区,EEUSS影院WWW免费快飞,成人H动漫精品一区二区三区蘑菇
Down the hole drill series
KQD70B electirc down the hole drill

KQD70B electric down the hole drill

High efficiency energy saving electric down the hole drill

Based on motor turning effect,economic, efficient and energy-saving.

Used the straight tooth transmission reducer,big rotary torque,high drilling efficiency.

Novel overload protection,make the drill stable and reliable operation.



KQD70B down the hole drill technical parameters:
Hole diameter(mm) 60-80
Hole depth(m) ≥15
Rotary speed(rpm)0-125
Working pressure(MPa) 0.5~0.7
Steel rod specification(mm) 40x1000
Capacity(m^3/min) ≥3.5

Elevating power(N)

4000
Remarks:  Electromotor(3kW)

LGJY-4.5/6 Portable screw air compressor


Working pressure:0.6MPa

☆Capacity:4.5m3/min

☆Motor power:22kW

>>Click to view data for details



麻豆视频破解在线无限观看 | 亚洲一区二区无码乱伦 | 四川少妇BBw高潮喷水AⅤ片 | 久久国产精品人妻aⅴ | 人妻野战在线一区三区 | 国产人妻一区二区色情网 | 果冻传媒之漂亮人妻煮饭 | 狠狠躁夜夜躁人人爽天天天天97 | 免费中文字幕日韩欧美 | 人与物videos另类与蛇交 | 做爰高潮A片〈毛片〉 | 北京少妇BBBWBBBWBBB | 无人码人妻一区二区三区免费 | 河北真实伦对白精彩脏话 | 黑人群交亚洲美女 | 又大又长又粗一区二区 | 免费一级无码婬片A片APP下载 | 红桃Av色Av无人妻久 | 精品人妻无码一区二区三区51 | 很黄很污网站在线观看 | 印度性猛交╳XXX乱大交视频 | 97人人澡人人爽小说 | 伦伦影院午夜理论片痴汉 | 极品嫩苞撕裂哭叫灌白浆在线观看 | 粉嫩av浪潮av色欲aV | 亚洲精品福利在线观看 | 久久夜色精品国产欧美乱 | 夏晴子国产一区二区在线观看 | 一级全黄少妇性色生活免费看 | 91传媒无码一级精品片 | 在线观看av女大学生黑料 | 粉嫩AⅤ麻豆一区二区三区 377P粉嫩大胆色噜噜噜 | 国内精品久久久久久久影视简单 | 樱花视频在线观看入口未满十八黄 | 97国产精品久久久久久 | 成人午夜做爰高潮片免费吸气 | 肥老熟妇伦子伦无码二区 | 人人爽人人爽av手机观看 | 97人妻熟女成人免费视频色戒 | 羞羞视频在线观看视频 | 国产人妻精品一区二区 |