1.
Study the technique of caving hanging roof in the condition of hard roof of room-and-pillar mining.;
房柱式开采坚硬顶板条件下悬顶放顶技术研究
2.
STUDY OF CONTROL CAVING METHODS AND REASONABLE HANGING ROOF LENGTH ON HARD ROOF
坚硬顶板控制放顶方式及合理悬顶长度的研究
3.
Technology and Control of First Roof Caving at Fully Mechanized Coal Face with Hard and Massive Overlying Strata
厚层坚硬顶板综采工作面初次放顶技术管理
4.
Research on Reasonable Hanging Arch Length of Hard Roof in Fully Mechanized Coal Mining Face
综采工作面坚硬顶板合理悬顶长度研究
5.
Roof Control Design and Practice of Very Hard Roof in Coalface Instead of Knife and Pillar Mining Method in Mentougou Mine-
门头沟矿坚硬顶板取消刀柱顶板控制设计及实践
6.
Study and Application on Stability of Hard and Massive Overlying Strata in Fully Mechanized Sublevel Caving Face;
综采放顶煤采场厚层坚硬顶板稳定性分析及应用
7.
They prefer to brazen it out rather than admit defeat.
他们宁愿厚颜无耻地硬顶而不愿承认失败。
8.
a drilling bit with cutting edges usually hard-tipped against wear.
有靠着钻身的硬顶和切边的一种钻井钻头。
9.
I'm like to have a bowler hat.
我想买一顶圆顶硬礼帽。
10.
Don't be afraid of the violent storm, toughen yourselves and bear it.
不要怕惊涛骇浪，硬着头皮顶
11.
He wears a bowler to go to his office.
他上班总是戴着一顶黑色硬礼帽。
12.
a very hard small point made from a diamond.
用钻石做的非常坚硬的小尖顶。
13.
I felt something hard pressing against my side.
我觉得有什么硬东西顶着我的腰。
14.
She wore a sailor hat of black straw.
她戴着一顶扁平的硬边黑草帽。
15.
A stiff felt hat with a round crown and a narrow, curved brim.
常礼帽圆顶,窄的弯曲帽檐的硬毡帽
16.
She had to steel her heart against pity.
她须硬起心肠以顶住怜悯之情.
17.
He tried to brave it out when the police questioned him.
警察盘问他时, 他想硬着头皮顶过去.
18.
The Research and Development on Broadcom HDTV Set-Top Box System;
Broadcom高清机顶盒方案的软硬件研究