高断面

AT是林分的总胸高断面面积：hB，和dB是抽样算得的具有平均胸高断面面积的树的高度和胸径；

HB and dB are respectively the height and breast diameter of the tree with average breast height cross-sectional areal dw is the average breast height diameter weighted by breast height cross-sectional area ;

超浅埋超高断面暗挖隧道地层变形控制技术

Control Technology for Strata Deformation of Ultra-shallow-buried and Ultra-high Sectional Tunnel with Underground Excavation

铸坯出坯温度高，断面温度均匀，这对薄板坯连铸连轧具有重要意义。

The temperature of thin slab after shearing is high and the temperature in section is well-distributed .

高速道路缓和曲线及弯道超高横断面形式的改进

Advancement of the Transition Curve of the Freeway and the Form of the Superhigh Cross-Section of the Banked Bend

结构设计为：行驶面宽度与断面宽度之比为1.035或1.05，行驶面弧度高与断面高度之比为0.15；

For the structure design , the following parameters and designs are taken : running surface width / cross-sectional width ratio 1.035 or 1.05 , running surface arc height / cross-sectional height ratio 0.15 ;

汕头LPG工程的交通洞为一宽7.2m、高5.7m、断面约40m2、13.6%下坡道的隧道。

The communication cavern of LPG engineering project in Shantou City is a tunnel with the width 7.2 m , height 5.7 m , cross section nearly 40 m 2 and having a down gradient of 13.6 % .

高强度全断面D型石墨灰铸铁型材

High Strength Gray Cast Iron Bars with Type D Graphite

大采高综采大断面切巷支护技术

Technique of roadway support in open-off cut with great cutting-height fully mechanized mining

高瓦斯大断面综掘巷道液压锚杆钻车试验研究

Experiment Study in High Gas Heavy Section Colligate Driving Drift Hydraulic Pressure Rockbolt Drill Vehicle

高水压大断面盾构隧道管片衬砌结构静力学行为模型试验研究

Study on model test for static mechanical behavior of tunnel segment lining structure with large-section shield tunnel and high water pressure

正确确定岩石的性能参数是全断面岩石掘进机使用及高性能全断面岩石掘进机研制的理论基础。

Correctly determining quality parameters of rock is the theoretical basis of use of TBM ( full face rock tunnel boring machine ) and its design .

焊接接头存在一定的软化，其抗拉强度为母材的91·2%，除延伸率比母材高外，断面收缩率和冲击韧性值与母材相比均有所降低；

The strength at welded joint was 91.2 % of that of the matrix because of the softening effect , and there were lower shrinkage of fractured surface and impact toughness but higher elongation than in the matrix .

该装置利用水力学中扩张管嘴进口流量系数大、流速系数高、收缩断面处真空度高的原理，使其排泥效率显著提高。

Based on the principle of hydraulics , the divergent tube is high in discharge coefficient and velocity coefficient at the inlet and high in vacuum at the contraction section , so the efficiency of sludge discharge increases significantly .

对连铸中、高碳钢多断面规格有无结晶器电磁搅拌的铸坯质量的物理结果进行分析和归纳，旨在为以后的连铸生产起到指导作用。

This article analyses and concludes the physics result of butt cast quality in casts low and middle and high carbon steel multiple specifications with or without mould and electromagnetism , aiming at acting the guidance effect for the later company casts production .

高强度厚大断面球墨铸铁主轴的铸造

Casting Technology of High Strength and Thick Section Ductile Iron Mainshaft

介绍了高强度厚大断面球墨铸铁模具的生产工艺。

This has introduced the casting process of thick section ductile iron mould with high strength .

大采高工作面大断面回撤通道联合支护效果模拟分析

Simulation analysis on results of combined support applied to large cross-section withdrawal roadway in large mining height coalface

新型制砖机适用于生产实心砖高孔洞率大断面各种孔型的空心砖。

This machine is used to produce solid bricks hollow bricks with great quantities of holes large section in all size of hole style .

锚带网喷锚索组合支护技术在深部高应力大断面峒室中的应用

Application of Combined Support with Bolt , Steel Band , Anchor Rope , Chain Mesh and Shotcrete in the Deep High Stress and Big Section Chamber

该技术的开发与应用，为岩石断裂控制爆破、高强度岩体复杂断面成型爆破提供了一条高效低耗途径，有广阔的应用前景。

The application and development of this technology offer an approach of high efficiency and low energy consumption to shaped blasting of rock body with high strength and complex sections , and is of extensive practical prospect .