fire rated penetration

Numerical Analysis of the Effects of Material Parameters and Hydrostatic Pressure on Superplastic Bulging of Cavity-sensitive Materials;

材料参数及静水压力对孔洞敏感材料超塑胀形影响的数值分析

Scattering of steady shear waves around a circular cavity in half-space of saturated soil;

半空间饱和土中的圆形孔洞对稳态剪切波的散射

Macro-examination and micro-examination of the characteristics of the cavity on the polished mold surface made of an advanced imported mirror plastic mould steel were carried out.

对某进口高级镜面塑料模具钢制模具成品抛光后表面孔洞的宏观和微观特征进行了分析,测定了孔洞的尺寸和显微硬度,并针对孔洞微区进行了X射线元素面分析,同时分析了孔洞的形成过程。

Effects of crystallographic orientation on void growth and coalescence;

FCC晶体中晶体取向对孔洞长大和聚合的影响

Effect of principal stress ratio in plane strain condition on void damage evolution;

平面应变下的主应力比对微孔洞损伤演化行为的影响

A method for calculating volume of void;

一种计算孔洞体积的方法

fire rated penetration

防火洞孔防火构件上用来穿过管子

Analysis of well productivity of the fracture-cave volcanic reservoir in Niudong oilfield

牛东油田C_2k裂缝-孔洞型火山岩油藏单井产能分析

Development of the Mining Intelligent Thermometric Indicator for the Hole in Mine Fire Resistance;

矿用智能防灭火钻孔温度测量仪的开发与研制

Fire Prevention Practice on Drilling Holes with Inclined Slices on Fully Mechanized Face Roof of Thick Seams in Junde Colliery

峻德矿特厚煤层综放面顶板下斜钻孔防火实践

To make a hole in or through something with or as if with a drill.

钻孔，打洞用或似用钻打洞或穿孔

The Electret Properties of Cellular PP and Solid PEN Film;

PP孔洞膜和PEN非孔洞膜的驻极体性质

The Study of Tunnel Fire and Fire Protection & Succor Safety System about Long Double Tube Road Tunnel;

长大双洞公路隧道火灾及防灾救援安全体系研究

Development of steel structure fireproof board of nano-porous super thermal insulation material compounded with calcium silicate

硅酸钙复合纳米孔超级绝热钢结构防火板的研制

Integrative Applications of High Level Boreholes for Gas Drainage and Fire Prevention and Extinguishing in Goaf

采空区高位钻孔瓦斯抽放与防灭火的一体化应用

observation hole

(窑炉)观察孔,看火孔

To make a hole in or through, with or as if with a drill.

钻，凿，开洞用或似用钻打洞或钻孔

"aperture: an opening, such as a hole, gap, or slit."

孔,洞: 开口,如洞、缝隙或缺口

An opening, such as a hole, gap, or slit.

孔，洞开口，如洞、缝隙或缺口

a fire-resistant house

耐火 [防火] 房屋

An opening in the bow of a ship through which a cable or hawser is passed.

锚链孔船首缆索或绳索通过的洞孔

A hole or passage made by or as if by use of a drill.

钻孔，打洞用或似用钻打孔或通道

A tapered steel pin for enlarging and aligning holes

打孔器用来扩大或调整孔洞的尖钢针

Confine fire spark range with fire proof sheet.

用防火材料制成防火屏防止火花喷射。