longwall face development

single unit face

一个单位的长壁工祖

Joy longwall loading machine

乔伊长壁工作面装载机

longwall peak stoping

V形工作面向下梯段长壁回采法

Construction of Bored Piles in Double wall Steel Cofferdam for the Second Changjiang River Bridge in Wuhan

武汉长江二桥双壁钢围堰钻孔桩施工

Application of π-shaped steel beam of longwall mining technology with big dip

大倾角π型钢梁长壁采煤工艺的应用

Idea on combined coal mining technology with multi coal shearers for longwall coal mining face

长壁工作面多采煤机联合采煤工艺的构想

The bladder epithelium could be seen on the wall of the ePTFE artificial vessel.

可见膀胱粘膜上皮细胞在人工血管内壁生长。

Study on the Supporting Technology of T-junction of the Fully Mechanized Top Coal Caving Longwall Face in Pitched Thick Seams;

大倾角厚煤层长壁综放工面端头支护技术研究

Technological Study on Quality Control of Thin-long Rod and Thin Thickness Ductile Iron Casting;

细长杆类和薄壁球铁件质量控制的工艺研究

Analysis on the system reliability of fully mechanized longwall mining face in pitched seam

大倾角煤层长壁综采工作面系统可靠性分析

The Study of Spinning Precision Control for Thin Wall Cylinder with Large Length-diameter Ratio

大长径比薄壁圆筒旋压精度控制工艺研究

Technology and Practices on Mine Strata Pressure Control of Fully Mechanized Longwall Coal Mining Face with Shallow Mining Depth

浅埋长壁综采工作面矿压控制技术与实践

Determination of Ventilation Way at Coal Face with Longwall Mining Method

长壁采煤法采煤工作面通风方式的确定

Practice on Fire Prevention at Longwall Working Face in Medium-thickness Seam with Big Dip-Angle

大倾角中厚煤层长壁回采工作面防灭火实践

Analysis of filling effect and filling ratio of backfill mining in longwall face

长壁工作面充填开采的充填比与充填效应分析

The effect of water-block for the bearing structure in main roof rocks due to mining in steep long-wall seam

急倾斜长壁工作面开采老顶平衡结构阻水性能

And the woodwork was of the era of our grandmothers.

还有我们祖母时代的板壁。

or, in the human landscape, along the sides of stone buildings.

或者在人工景观中沿着石造建筑物墙壁生长的植物。