国产又粗又猛又爽又黄的黄牛视频-欧美日韩精品网址-国产成人麻豆h视频在线观看-蜜臀av区一二三爽免费播放-久久久伦理精品-99精品资源在线视频-伊人久久大香樵-久久人妻人人爽-性欧美少妇煌妇喷水,麻豆免费在线观看视频网站,天天射天天干天天要,91精品国自产拍老熟女露脸

Special recommendation:
1, having hydraulic automatic feeding mechanism, improve the drilling efficiency, reduce labor intensity.
2, using the ball card holding mechanism to replace chuck, can implement non-stop down rod, convenient operation, safe and reliable.
3, hoist with cage, forms the double support structure of the star wheel, can withstand strong shock
4, four groups of axle box bearing positioning, keep gyrator rigid enough deal with gravel layer, complex geological conditions, such as pebble layer
5, the machine adopts taper clutch of national patent technology, has the big transmission torque, easy to operate, the prominent characteristics of free maintenance
適用范圍：
1、本鉆機(jī)適用于水井鉆探，普查勘探，地球物理勘探，道路及建筑勘探以及打爆破孔等鉆進(jìn)工程。
2、可根據(jù)底層的不同選用合金、金剛石及復(fù)合片等鉆頭進(jìn)行鉆進(jìn)。
3、可鉆2-9級(jí)的沙質(zhì)粘土及巖層等。

Scope of application:
1, the drill is suitable for use in water well drilling, the exploration, geophysical exploration, road and building exploration and blasting hole drilling engineering, etc.
2, can be selected according to the underlying different alloy, diamond, compact drill for drilling, etc.
Level 3, 2-9 drilling, sandy clay and rock formations, etc.
技術(shù)參數(shù)：