unprotected field是什么意思

网络释义

用法例句

Effect of Trace Element on Anticorrosion for Zinc Coat W-beams Barriers;

微量元素对热浸镀锌波形梁钢护栏防腐层质量的影响

A Simple Simulation Method for Highway Vehicle-Barrier Crash──Flexible Beam Method;

高速公路汽车与护栏碰撞的简化计算方法──柔性梁法

To analyze the reason of the lower and - crash performanceof our barrier material made of polyethylene for highways and work out a solution to make it pass the performance test.

本文通过分析PE公路护栏不耐冲击的原因,提出了相应的解决方法,使之通过正式测试。

Electrophoresis and powder spray process for guardrails of expressways;

高速公路护栏的电泳喷塑涂装工艺

A Study on the Safety in Vehicle-Guardrail Impact;

汽车—护栏碰撞系统的安全性研究

Research on Bridge Concrete Guardrail on Expressway;

凤凰型美观混凝土护栏开发研究

From the view point of large system and by applying the system engineering theory the collision protection system of semi_rigid fences for autos is looked as a complete and coupled macro_system so as to study the adequate mechanism of collision protection for semi_rigid fences.

本文从大系统观点出发 ,运用系统工程思想 ,提出将汽车 -半刚性护撞护栏碰撞系统作为一个完整耦合的大系统 ,来研究半刚性护栏防撞新机理。

The aluminizing technologies of wave shape steel fences for highways are presented in this paper.

介绍了高速公路波形钢护栏的各种浸铝工艺，其工艺过程包括了预处理、浸铝、后处理和性能评价四个步骤。

oBstruction guard

(火车头前的)护栏

New cages ? no bars!

新笼子?没有护栏！

The ice skater rammed into the barrier.

溜冰者撞到护栏上了.

Concrete barrier (New Jersey)

纽泽西（混凝土）护栏

glass shelf with bracket and guard rai

有支撑和护栏的玻璃架

free standing protective fence system

独立摆放的护栏装置

Bars keep the animals inside.

护栏把动物圈在里面。

reinforced profile concrete parapet

钢筋混凝土纵向护栏

A protective pier or dock apron used as a buffer against floating ice.

桥墩护槛保护桥椁免受浮冰碰撞的护栏或码头围栏

Their car crashed into a guardrail. The airplane crashed over the ocean.

他们的车撞上护栏.飞机在海洋上坠毁.

There should a railing to enclose the green field to prevent people from entering.

这块绿地应该围上护栏, 免得有人进出。

I stepped out onto the ladder on the lee side.

我爬上保护栏一侧的梯子。

leaning on the ship's rail looking out to sea

倚着船上的护栏眺望大海.

Work in iron, such as gratings and rails.

铁制部件铁质部件，如格子板和护栏

central concrete profile barrier

道路中央混凝土纵向护栏

Protection grid, for main HEPA filter made by anodized aluminium.

防护栏：由电镀铝制成，用于主过滤器。

The Research on Optimization of Three-beam Guardrail for Highway;

公路三波形梁钢护栏尺寸的优化研究

The Research on New Macromolecule Vehicle Crashworthy-Guardrail Material;

新型高分子汽车防撞护栏材料的研究