履带

QUY650 crawler crane maturely applies key techniques, such as superlift control, twin-winch synchronous control, boom backstop control and double-hitch boom rising technique with powerful lifting performance. Super long main boom and jib and many combinations of working condition satisfy customer's requirements in the full extend.

QUY650履带起重机成熟运用超起控制、双卷扬同步控制、起重臂液压防后倾控制、双腰绳起臂等关键技术，具有超强的起重性能。

QUY650 crawler crane maturely applies key techniques, such as superlift control, twin-winch synchronous control, boom backstop control and double-hitch boom rising technique with powerful lifting performance. Super long main boom and jib and many combinations of working condition satisfy customers requirements in the full extend.

QUY650履带起重机成熟运用超起控制、双卷扬同步控制、起重臂液压防后倾控制、双腰绳起臂等关键技术，具有超强的起重性能。

QUY220 fully hydraulic crawler crane is equipped with multiple boom configuration including base boom, light boom, fixed jib and tower attachment, the maximum boom length for light boom is 96m, which with tower attachment is 117m, 3 boom offset angles match 99 boom combinations for tower attachment.

不完整，我来编辑QUY220全液压履带起重机具有多种吊臂类型配置，包括基本型主臂、轻型主臂、固定副臂和塔式副臂，轻型主臂最长达96米，加装塔式副臂可达117米，3种主臂角度配合99种臂架组合的塔式工况。

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。

Some of the parts, like two of the three gun mantlets included, go only with one of the other kit variants and are unused for the parts box.

部分零件和IS-1、ISU、IS-2（1944）通用，如负重轮和履带。有一些多余零件，如另外的炮的防盾。

It includes tractors, caterpillar threshers, walking tractors and boat tractor.

包括轮拖拉机、履带拖拉机、手扶拖拉机、机耕船。

With thongs, usually made of straw or leather.

草履带有皮带的平底便鞋，通常是由稻草或皮革制成

A flat sandal with thongs,usually made of straw or leather.

草履带有皮带的平底便鞋，通常是由稻草或皮革制成

According to the practical projects,the tonnage selection of drilling machine in trenchless construction and pilot bore curve design method are presented.

结合实际施工经验，就非开挖施工过程中钻机的吨位选择、导向钻孔曲线设计给出了简单易行的方法；从液压系统的保养、发动机的保养、橡胶履带的保养3个方面对钻机的保养方法进行了详细叙述。

The simulation model of a kind of caterpillar's powertrain had been built.

对某型履带车辆的动力传动系统扭振进行了仿真建模。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。