查询词典 ventilating device

Especially the ventilating duct that draw materials becomes at vitreous steeliness and its accessory, it is the new product that

它容重小(2.1T/m3)抗侵蚀、抗衰退、烈度高，因此寿运长，特别适宜于湿润和有酸碱的声所。

A small hook called a "ventilating needle", similar to the tambour hooks used for decorating fabric with chain-stitch embroidery at that period, is used to knot a few strands of hair at a time directly to a suitable foundation material.

一种很小的带孔钩针，类似绣花针，就是以前使用绣花绷子把布料绷起来在上边绣花的那种绣花针，人们使用这种钩针，一次把几根头发直接钩进用特殊材料制成的假发底上。

We find these microscope characters through research are as follows:ratio betweenstoma\'s length and wide,stoma density and stoma index,the shape of epidermalcells,the anticlinal wall,palisade\'s layer,the type of ventilating cavity,type of limb,trichome ect.

这表明了25种植物的叶片既具有中生植物又兼有旱生和湿生植物的部分结构特征，这些现象说明了这些特征是这些植物对高寒地区低氧、低温、强辐射等自然条件长期适应的结果。7。

Must be used in the room which is better for ventilating.

必须在通风条件好的房间里使用。

Methods Retrospective analysis on the treatment through mechanical ventilating of 98 cases of patients.

方法对98例机械通气治疗的患儿进行回顾性分析。

It is possible to design good heating ventilating and air conditioning systems at a reasonable cost.

人们可以用合理的造价设计一个良好的采暖通风和空气调节系统。

Ventilating system is an important part of production system, providing guarantee for mine to produce safely of mine.

矿井通风系统是矿井生产的重要组成部分，是矿井安全生产的保障体系。

This one which is similar with nylon bag is a ventilating unit.

这个类似尼龙袋的东西是一个排气装置。

The basic principle, characteristic and application of the project of inducting ventilating system is presented with a project example.

结合工程实例，介绍了诱导通风系统的基本原理、特点及在该工程中的应用。

Automatic control system for ventilating which has been used in the study of water tunnel supercavitating experiments has been designed in this paper.

在深入分析流量调节阀非线性工作特性的基础上，建立了充气控制系统各个环节的数学模型。

He tendered his resignation to the Prime Minister.

他向首相递了辞呈。不适合

International economy and trade,Nanking 210044

国际经济与贸易，南京 210044