通风的

China's coal production and the exploitation of workers in well-oriented, while the underground work is first of all faced the problem of ventilation in the mine production process, we must continue to be ground fresh air supply to the various underground sites for staff and the exclusion of breath, and diluted Underground a variety of toxic and harmful gases and mineral dust, mine to create a good environment to protect the underground staff's health and labor safety.

我国煤炭生产以井工开采为主，而地下作业首先面临的是通风问题，在矿井生产过程中，必须源源不断地将地面新鲜空气输送到井下各个作业地点，以供人员呼吸并稀释和排除井下各种有毒有害气体和矿尘，创造良好的矿内环境，保障井下工作人员的身体健康和劳动安全。

This paper applies approximate equation to describe the characteristic curve of an axial flow fan, for the purpose of determining its working system,and is intended to apply the equation method for enlarging the extent of the analy-tical method, commonly used for determining the working system of axial flow fan and the ventilating syetem of a mine.

本文应用近似方程来描叙轴流式扇风机的特性曲线，其目的要确定矿井轴流式扇风机的工作制度，并且企图使扇风机工作制度与矿井通风制度上应用方程法来扩大分析法的范围。

Ventilate computer rooms regularly. Install ventilating fan or air conditioner to mitigate the effect of polybrominated dibenzofuran on the body. The dust density around computers is hundreds of times higher than other spaces in the computer room. The dust long adheres to the skin and thus causes various skin diseases.

电脑房间要经常通风，在室内安装换气扇或空调，减轻溴比二苯呋喃对身体的影响，计算机附近的灰尘密度要比机房其它空间高出上百倍，它们长时间附着于人的皮肤上，可导致各类皮肤病。

Sweden three middle fan with fixed glass louvers can be closed under the ventilation; Norway houses a collection of 360 ° flip spray inside and outside the two-colored aluminum alloy separated from the bridge window; Hamburg, Germany, double-insulating glass and a layer of single-fan layer glass door, which opened at the same time, but also open individually.

瑞典三个中东风扇固定玻璃百叶下可以关闭的通风；挪威房屋的集合喷雾360 °翻转内外两色的铝合金分开桥梁窗口；德国汉堡，双层中空玻璃和一层单扇双层玻璃门，开在同一时间，而且还打开个别。

This paper try to obtain various noise-control measures applied to different situations through analyzing noise transmission characteristics of hot pump units under natural conditions of ventilation and cooling .

为此，笔者试图通过分析风冷式热泵机组的噪声源特性，在满足热泵正常运行所需要的通风散热等条件下，总结出多种应用于不同情况下的噪声治理措施。

You were well advised to leave your pity at the door of Christopher Reeve's airy, sun-filled home, hidden amid the rolling meadows and white wooden barns of upstate New York.

你最好把怜悯丢在克里斯托弗·里夫通风良好、充满阳光的家门外。他的家掩映在纽约州北部起伏的草地和白色木头畜棚之间。

You were well advised to leave your pity at the door of Christopher Reeve's airy, sun-filled home, hidden amid the rolling meadows and white wooden barns of upstate New York.

你最好把怜悯丢在克里斯托弗·里夫通风透气、洒满阳光的家门外。他的家掩映在纽约州北部起伏的草地和白色木头畜棚之间。

You were well advised to leave your pity at the door of Christopher Reeves airy, sun-filled home, hidden amid the rolling meadows and white wooden barns of upstate New York.

你最好把怜悯丢在克里斯托弗·。里夫通风良好、充满阳光的家门外。他的家掩映在纽约州北部起伏的草地和白色木头畜棚之间。

Studies at the University of Michigan School of Public Health also show that slow-burning, scented candles produce large quantities of soot, which can damage a home's ventilation system.

密歇根州大学的公共卫生学院的研究也表明，慢慢燃烧而且发出香味的蜡烛产生大量煤烟，破坏屋里通风系统。

Brennan and Booth stumble upon a subterranean world of homeless people when they find the remains of a filmmaker in the ventilation shaft of an underground tunnel.

Brennan和Booth偶然发现了一个聚集无家可归之人的地下城市，他们找到一个制片人在通风竖井的地下隧道的残骸。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐