把女人弄爽特黄a大片视频,四川少扫搡BBW搡BBBB,人妻熟人中文字幕一区二区,女性黄A片免费看不打码,大肉大捧一进一出好爽动态图,白嫩外女BBWBBWBBW,少妇把腿扒开让我添69式漫画,欧美性videos高清精品,美国18禁电影激情惊爆点,亚洲一区二区三区写真

Product uses:

This type of machine is mainly used for driving and planting large-scale concrete pipe piles, square piles, pipe piles, steel pipe piles and other kinds of piles. It is the first indispensable construction equipment for deep foundation in our country at present. It avoids the damage of tube hammer to pipe piles and has been widely used in coastal development areas.

Product characteristics:

1, using the principle of two stroke internal combustion diesel engine.

2. Large pile diameter, deep pile foundation, high reliability of pile bearing capacity, which is self-developed by our company, is the largest tonnage of diesel engine piling hammer in the world.

3. Soft soil has good starting and cold starting performance.

4, great impact, good combustion performance and high stability.

5, reasonable structure, convenient operation and maintenance.

6. The matching construction with the walking pile driving frame produced by our company has the advantages of fast construction speed and good quality of pile planting.

Technical parameters: