国产乱人伦AV在线A,偷拍av一区二区三区,在线免费观看黄色国产,免费视频这里是精品视频,亚洲人成网站在线播放小说,亚洲va久久久噜噜噜久久男同,性做久久久久久久,a国产一区二区免费入口
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



主站蜘蛛池模板: 国产午夜精品无码一区二区| 91在线导航| 久久久久国产精品人妻aⅴ武则天| 日本一区二区三区久久久| 五月天成人社区| 亚洲人妻网| 99中文精品7| 无码中文人妻| 亚洲性猛交xxxx| 亚洲欧美日韩在线| 石棉县| 性欧美大战久久久久久久久| 伊人色综合久久天天小片| 亚洲精品国产一区二区在线观看| 久久黄色精品网站| 国产成人午夜电影网| av中文字幕在线一区| 一女被多男玩喷潮3p免费视频| av片免费播放| av狠狠操| 国产精品区视频| 性夜夜春夜夜爽aa片a| 久久99热精品免费观看| 牛和人交videos欧美| 自拍偷自拍亚洲精品10p| 国产精品???A片带套| 婷婷激情偷拍| 天天av天天翘天天综合网| 国产无遮挡又黄又大又爽| 久久国产精品久久精| 99热这里只有是精品| 无码加勒比一区二区三区四区| 万年县| 欧美色B| wwww性生活| 日本精品啪啪一区二区三区| 精品久久久无码中字| jizz喷水| 制服.丝袜.亚洲.中文.综合懂| 天海翼一区| 天堂av一区二区三区|