无套内谢少妇毛片A片流出白浆,苍井空波多野结衣AA片,欧美又大又色又爽AAAA片,巜电车痴汉玩弄人妻HD,日本精品人妻无码免费大全,日欧一片内射VA在线影院,公交车掀开奶罩边躁狠狠躁漫画,在厨房岳每做爰5,国产精品久久久久久亚洲影视,国產又粗又猛又爽又黄

Product uses:

This series of hydraulic pile hammers is a new type of double-acting pile driving machine developed by our company, which absorbs advanced technology from abroad and combines with the national conditions of our country. It is widely used in pile foundation construction of various projects. It can be used for driving and planting precast concrete piles, steel pipe piles, steel sheet piles, rammed and enlarged pouring column piles, etc. It is especially suitable for the construction needs of urban areas and has a broad application. The prospect is the ideal replacement product for diesel pile driver hammer.

Product characteristics:

1. During construction, no exhaust gas pollution, no oil pollution and low noise.

2, the hammer impact force is large, the frequency of attack is adjustable, and the impact force can be adjusted (1-5 files).

3, strike stress relief, soft foundation has good starting performance.

4, convenient and quick operation, high piling frequency;

5, comply with environmental protection requirements.

Technical parameters: