Trail suction dredger and grab dredger are two completely different types of work boat in technical concept.

Engine, steam, for marine propulsion self-propelled grab dredger

蒸汽机，船舶推进用

Design of the Dredging System for the 8m~ 3 Grab Dredger

8m~3抓斗挖泥船挖泥系统设计

Underwater Ditch Excavation by Dredger in Large River Crossing Engineering

大型河流穿越挖泥船开挖成型水下管沟

Reform Design and Application for the Propulsion System of 4 500 m~ 3 Trailing Suction Hopper Dredger

4500m~3耙吸挖泥船推进系统改造设计及应用

Model testing and full scale performance prediction on trailing suction hopper dredger is very important for ship lines design.

耙吸挖泥船的模型试验研究及其实船性能预报对船型设计有重要意义。

Method of Measuring& Determining the Overflow Earth Volume of Trailing Suction Hopper Dredger

耙吸挖泥船溢流土方量测定方法研究

Analysis of Forces Acting on Suction Pipe System of Trailing Suction Hopper Dredger and Simulation Research

耙吸式挖泥船耙吸管系统的受力分析及仿真研究

Determination Analysis of Trailing Suction Hopper Dredger at North Passage Dredging Site

耙吸挖泥船北槽疏浚现场测定分析

Structure design of a 13000 m~ 3 large suction hopper dredger

13000m~3大型耙吸挖泥船的结构设计

Calculation of dynamic characteristics of 500 m~ 3 hopper dredger

500m~3开体泥驳的动力性核算

The main technical index of hydraulic clamshell dredger is bucket capacity and productivity.

液压抓斗式挖泥船的主要生产技术指标是斗容和生产率。

When a clamshell dredger is used to carry out over-depth and over-width dredging, accuracy control is always one of the difficulties.

抓斗式挖泥船进行超深超宽施工时，精度控制始终是难题之一。

Since most modern architecture has regular column net, when people mention grid method, tend to associate it with the column net on drawings.

由于现代主义建筑大多有规整的柱网，后来人们一提到网格，往往联想到的就是这些图纸上的柱网。

This paper still introduces the application of the bonded pre-tensioning member's optimization~ the Zhejiang province standard collective drawings of prestressed structure, it also expect that this program makes further progress and serve in the actual engineering.

本文还介绍了先张法有粘结预应力构件优化的应用&浙江省预应力构件标准图，并期待整个程序能进一步完善和服务于实际工程。

Distributing conduit collective drawings for telecommunication long-range telephone and telegraph radio communications

通信电缆配线管道图集远程无线电话电报通讯

Collective drawings for gravity retaining wal The wall cut off our view.

重力式挡土墙通用图集墙挡住了我们的视线。

Distributing conduit collective drawings for telecommunication nonlinear lumped parameter system

通信电缆配线管道图集非线性集中参数系统

Distributing conduit collective drawings for telecommunication A power distribution line or cable.

通信电缆配线管道图集一种动力分配线或动力分配电缆。

Review of the Change of the National Building Standard Collective Drawings in one Year

谈国家建筑标准设计图集的一年变化

A list of available information and drawings is shown in the table below.

下表所列为可利用的资料和图纸。