国产av无码专区亚洲av男同,激情人妻另类人妻伦,久久精品这里热有精品,女人高潮特级毛片

上海金泰工程機(jī)械有限公司
上海安亭洛浦路45號(hào) 400-820-8326

NEWS

No.07 SD20 Rotary Drill construct in XiLong Jobsite

2009-07-07

Recently, in XiLong hydro junction jobsite, Hubei province, one unit SD20 which had worked for 6000 hours has set the new record in foundation piles.

 

XiLong hydro junction started in Feb, 2009 is the major national project, which is located in HuBei province. One of important projects is to establish a bridge on old riverbed. It is difficult with high pile requirements. The pile should be 1.5m Dia and 55m Dep. The situation of the old riverbed is complicated, and alternative allocated with clay, fine sand, and locked clay from 0-30m, below 30m, there is big and hard cobble layer.


When SD20 applied to the project, it finish a 55m depth and 1.5 dia pile with 8 hours, high efficiency and precision is praised by the projects owner. This SD20 had worked more than 6000 hours since may, 2006. The excellent performance has greatly proved the quality of our machines.

Now, this project is under way, SD20 and SG40A, SG40E worked there day and night to contribute to the national infrastructure projects.

在线观看老湿视频福利| 欧美精品色婷婷五月综合| 免费a级毛片无码av| 最新精品国偷自产在线| 欧美丰满大乳高跟鞋| 在线永久免费观看黄网站| 亚洲av成人一区二区三区在线观看 | 看成年全黄大色黄大片| 华人少妇被黑人粗大的猛烈进| 一本久道中文无码字幕av| 看成年全黄大色黄大片| 日韩高清在线观看永久| 午夜三级a三级三点窝| 本道天堂成在人线av无码免费| 女人喷潮完整视频| 天天躁日日躁狠狠久久| 欧美大肥婆大肥bbbbb| 国产小呦泬泬99精品| 久久精品人人做人人爽| 级毛片内射视频| 少妇av射精精品蜜桃专区| 亚洲成aⅴ人片久青草影院| 后入内射国产一区二区| 日本乱偷人妻中文字幕| 精品人妻va出轨中文字幕| 久久亚洲精精品中文字幕| 国产乱子伦精品视频| 久久无码人妻一区二区三区午夜| 亚洲av无码乱码在线观看富二代| 人人爽人人爽人人爽| 男女超爽视频免费播放| 国产sm调教视频在线观看| 国产精品vⅰdeoxxxx国产| 亚洲乱码一区av春药高潮| 国内精品久久久人妻中文字幕| 欧美丰满熟妇bbb久久久| 国产午夜精品一区二区| 美女扒开大腿让男人桶| 精品无码国产自产拍在线观看| 丰满少妇被粗大猛烈进人高清| 亚洲男女一区二区三区|