These young people regard the construction of the borderland as their duty.

The Scholastic Crowds Who Studied the Historical Geography of Chinese Borderlands and Foreign Countries around the Opium War

鸦片战争前后研究边疆和域外史地的学者群

On Dual Influence of Religion to the Borderlands' Safety of Northwest China

论宗教对我国西北边疆安全的双重影响

In his lecture he bore down on the importance of pronunciation in a language.

他在演讲中着重强调了语言中语音的重要性。

The 5th Regiment bore down on the enemy positions.

第五团向敌人阵地压过去。

An enemy carrier bore down on their destroyers.

敌方的一艘航空母舰快速逼近他们的驱逐舰。

A group of half a dozen men entered the pub and bore down on the bar

一伙六个人走进酒吧，冲向吧台。

An overview of the present status and the future prospects are described. The important technique innovations and the progressive tendency on the regenerative refrigeration technology of the pulse tube, G-M, Stirling and Boreas refrigerators are summarized.

概述回热式（不包括非回热式）气体制冷技术的现状和前景，对PT，G－M，St和Boreas等各种制冷机的重大技术革新进行了扼要介绍，指出发展趋势。

Since a nation even couldn't bear to hear them, they naturally died out in the boreas.

既然一个民族都不忍听闻，它们也就消失在朔风之中。

Seed Germination, Growth Characteristic and Nutritional Value of A New Vegetable, Borecole Kale

新型蔬菜羽衣甘蓝种子发芽及生长特性和营养价值

Study on Behavior of Side Resistance of Bored Pile in Shanghai

上海地区钻孔灌注桩桩侧摩阻力性状研究

Analysis of Causes of Common Problems of Bored Pile and Treating Methods

钻孔灌注桩常遇问题原因分析及处理方法

A New Method Used for Bored Pile End and Sides Grouting

钻孔灌注桩桩端桩侧压浆新工艺的应用

Design and application of protection wall of bored pile with steel structure

钢构工具式挖孔桩护壁的设计与应用

Key Construction Technology and Problem Treatment on Impact Bored Pile

冲击钻孔灌注桩施工要点及问题处理

Analysis and Treatment of Common Quality Problem for Bored Pile

湿作业成孔灌注桩常见质量问题分析及处理方法

Construction Technology and Quality Control Measures of Bored Pile Foundation

钻孔灌注桩基础施工技术及质量控制措施

Analysis on the Mechanism of the Post-grouting Technique for the Bored Pile Construction

钻孔灌注桩后压浆技术效果的机理分析

Gray Variable Method of Evaluation on Construction Quality of Super-length Bored Pile

超长钻孔灌注桩施工质量评价的灰色变权方法

Construction process of underwater bored concrete pile as well as points for attention in construction is briefly introduced. Based upon analysis of engineering quality problems frequently encountered in construction corresponding prevention and treatment measures are proposed in order to ensure trouble-free construction of bored concrete pile.

简述了水下浇筑混凝土的过程及注意要点，分析了水下浇筑混凝土过程中经常遇到的工程质量问题，并介绍了预防及处理措施，以保证钻孔灌注桩工程的顺利进行。

CZ-1200 percussion drill was developed to improve and perfect the performances and structures of CZ-22 cable percussion Rig used in diaphragm wall, bored pile and water well drilling engineering in China.

针对目前国内防渗墙、灌注桩桩孔施工及水井钻凿的主要设备CZ-22型钢绳冲击式钻机在使用过程中的一些不足之处，研制开发了CZ-1200型冲击钻机。