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Model YTR150 rotary pile drill is another high performance rotary pile drill developed on the basis of model YTR230, featuring high torque, high maneuverability, low noise, low pollution, high operation efficiency and easy maintenance. The major specifications have reached those of foreign similar products. Model YTR150 rotary pile drill adopts hydraulic retractable crawler chassis made by Caterpillar. Its mast is lifted and lowered in full range with verticality automatically adjusted. Operating status parameters displayed by touch screen and monitor. Hydraulic pilot control is used for overall machine operations and load sensing hydraulic system and programmable logic controller are adopted to implement automation for easy and agile operation.

YTR150型旋挖钻机是在YTR230的基础上开发出来的又一种高性价比的旋挖钻机，具有大转矩、机动灵活、低污染、低噪声、施工效率高及维护方便等特点，主要性能参数达到国际同类产品水平YTR150型旋挖钻机采用了卡特彼勒生产的液压可伸缩式履带底盘，桅杆全程自动起落，自动调整桅杆垂直度，触摸屏和监控器可以直接显示工作状态的参数，整机操纵上采用液压先导控制，采用负荷传感液压系统和可编程控制实现自动化，使用方便灵活。

In the construction of underwater piling works of water intake and drainage at Huanghua Power Station of Guohua,Hebei,China,a combined advanced technique pile-driving boat made of a DH508 crawler pile driving machine and a barge was applied.

在河北国华黄骅发电厂取、排水口工程水上打桩施工中，精心选择船机设备和优化打桩工艺，用DH508履带式打桩机与方驳组合成打桩船，顺利完成了水上钢板桩、混凝土预制板桩和钢管桩打设施工，具有良好的实用性和经济性，拓展了DH508履带式打桩机的水陆工程使用范围。

For the construction industry the extensive product programme comprises construction cranes, truck and mobile cranes, hydraulic excavators and hydraulic rope excavators, wheel loaders, crawler tractors and loaders, mining trucks, concrete mixing plant and truck mixers.

分散组织的利勃海尔集团分成若干个独立运作的可管理规模公司单元，从而确保客户可接近性，以及灵活响应全球市场信号的能力。

While the Jeep Wrangler has the "rock-crawler" market locked up as tight as its center differential in four-low, the "expedition" and "trekker" markets are all but ceded to Land Rover, which until very recently has offered larger, more practical, and far more comfortable vehicles to those that want to go not just anywhere, but everywhere.

虽然吉普牧马人的&岩石器&锁定了市场的紧张为中心差分四低，&远征&和& trekker &市场是一切，但割让给路虎，这直到最近提供了更大，更实用，更舒适的车辆，那些想要去的地方不只是，而且无处不在。

Study on the Analysis of the Skidding Production Optimization Selection in Southern Collective Forest Regions;2. Study on the Reversal Direction Arisen When 50 Crawler Is Skidding at Steep Slopes;3. Skidding method can be determined by production efficiency and ecological environment.

介绍了目前国内外生态型伐区集材概况及类型，较详细地分析了6种生态型伐区集材模式的优缺点及适用条件，指出中国山地伐区应广泛推广直角横向集材和双向循环索道集材方式。

Compared with the results of simulation of spring backstop and hydraulic cylinder backstop, using of hydraulic cylinder backstop depletes more effectively the vibration and impact of the crawler crane boom backward tipping than the spring backstop.

比较弹簧式和液压缸式防后倾装置的仿真结果，采用液压缸式防后倾装置比弹簧式防后倾装置能更为有效地消减臂架后倾时的振动和冲击。

Though the term "Search Engine" is referred for both crawler-based search engines and human-powered directories, there is a significant different between the

虽然术语&搜索引擎&，被称为为履带的搜索引擎和人力驱动的目录，有显着的两个不同。

Based on thorough study of the measuring principle, measuring method and performance and limitation of the special type of tube, a project to the tube static parameters measurement system with the core of crawler control, illumination, image pretreatment and image measurement at high accuracy has been designed and realized.

在对特种管道静态参数的测量原理、测量方法和测量装备的性能及其局限性进行深入研究的基础上，我们设计并实现了一种以爬行器运动控制技术、照明技术、图像预处理方法和高精度图像测量技术为核心的管道静态参数测量系统方案。

Chief Engineer (one for each of the following seven products: Excavator, Concrete Pump Truck, Motor Grader, Crawler Crane, Truck Crane, Rotary Drilling Rig) 6

总工程师（挖掘机，混凝土泵车，平地机，履带起重机，汽车起重机，旋挖钻机产品各一名

Product Specialist (one for each of the following seven products: Excavator, Concrete Pump Truck, Motor Grader, Crawler Crane, Truck Crane, Rotary Drilling Rig) 6

SANY America 产品专家（挖掘机，混凝土泵车，平地机，履带起重机，汽车起重机，旋挖钻机产品各一名

There had been a moment during the breakfast meeting, though, after the backslapping and the small talk and when all of us were seated, with Vice President Cheney eating his eggs Benedict impassively and Karl Rove at the far end of the table discreetly checking his BlackBerry, that I witnessed a different side of the man.

那次早餐会期间，在表示过关心和寒暄以后，我们所有人坐了下来，我注意观察了一下，副总统切尼面无表情地吃着班尼迪克蛋（Eggs benedict，源自美国，以英式松饼、火腿、水煮蛋以及荷兰酱组合而成），卡尔。罗夫在餐桌的远端谨慎地经常查看他的黑莓手机，我目睹了他所不为人知的一面。

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