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

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。

The information in the parts list of AutoCAD drawings is the data resource of CAM/ CAPP/ PDM/ ERP.

AutoCAD绘制生成的图纸明细栏信息是CAM/CAPP/PDM/ERP的数据源。

Nolte founded two-dimensional fracture analysis model and analyzed drawdown pressure curve after hydraulic fracturing by use of the model.

1979年Nolte建立了分析压降曲线的二维裂缝模型，由于二维裂缝分析模型假设条件与现场实际差别较大例如其假设缝高固定不变，不能准确地计算出裂缝几何参数和压裂液参数。

Analyzing Drawdown Pressure Curve after Hydraulic Fracturing

人工压裂后压降曲线分析

The heat dissipation assessment of radiator needs both drawdown flow curve and heat exchange flow curve.

散热器散热能力的评估需要压降-流量曲线和换热量-流量曲线。

This theory has been proved by gas well test in field. According to the apparent steady state date in pressure drawdown curve, the control reserves of a gas well can be calculated correctly.

气藏现埸试验证实了该理论的正确性，并根据压力降落曲线中的视稳定状态资料，便能正确计算气井的控制储量。

Well Test Analysis by Using A Well Drawdown Curve in Multiple Deviated Well System

斜井多井系统中一口井压力降落曲线试井分析

According to the field observation and model test data of ground water drawdown speed and the ratio of drainage water quantity and evaporation, by using the theory of ground water seepage, a new method for determining the field drain spacing is advanced.

本文根据地下水蒸发试验资料，利用地下水动力学理论，提出了考虑蒸发影响下按地下水位下降速度标准进行田间排水沟（管）间距的计算方法。

Study on Self-Adaptive Neural Network Identifying of Void on Rigid Pavement Based on Frequency Drawdown Ratio

基于频率下降率的刚性路面脱空自适应神经网络识别研究

The main hydrogeological problems in Yuncheng basin are as follows. 1. To solve the regional groundwater drawdown cone problem, the quantity of groundwater resources must be investigated.

运城盆地存在的主要水文地质问题如下：第一查明地下水资源数量，解决区域下降漏斗；

We calculated the surface subsidence, horizontal displacement, incline, and current curvature using the groundwater drawdown, conical depression influence radius of water cone and ground property.

根据地下水降深、降落漏斗影响半径、岩土工程地质性质，计算降水引发的地表沉降值、水平移动、倾斜、曲率现状值。

Underground Substation at Shanghai Remin Square was used as example, the optimization method applied to groundwater drawdown project for deep excavation ( DGWE) is studied.

本文以上海市人民广场地下变电站深基坑降水工程为例，讨论最优化法在深基坑降水工程中的应用。