1.
High-lift rider trucks--Overhead guards--Specification and testing
GB5143-1985高起升车辆护顶架技术要求和试验方法
2.
Analysing Mechanics Character of Special Canopy and Two-legged Caving Power Support
支顶支掩式掩护式放顶煤液压支架的力学特性分析
3.
Pre-stressed Bolt Anchor-truss Support Technology in Composite Roof Roadway
复合顶板巷道预应力锚杆锚索桁架支护技术
4.
Research on fully mechanized mining face ending removing space roof supporting form
综采工作面收尾撤架空间顶板支护方式探讨
5.
Analysis on Control Methods of Role of Equilibrium Jack of Two Led Hydraulic Shield
两柱掩护式支架平衡千斤顶控制方式的分析
6.
Overhead protection shall be provided for individuals working on a scaffold exposed to overhead hazards.
要为在脚手架顶部工作的人员提供防架空危险的保护。
7.
The shed's roof was covered with animal skins to protect the operators inside it from Bombardment with stones or fiery materials.
支架顶部覆以兽皮,以保护使用者不受镞石和燃烧物的袭击。
8.
Research on the Relationship between Two-Leg Sublevel Caving Shield Support and Surrounding Rocks and Adaptability
两柱掩护式放顶煤支架与围岩关系及适应性研究
9.
The truss cable support technology at the large cross-section set-up room with thick and broken coal roof
大断面厚层破碎煤顶综放切巷桁架锚索支护技术
10.
Experiment Study with Broken Roof High Pre-stressing Bolt and Truss Shoring System
破碎顶板高预应力锚杆与桁架支护系统试验研究
11.
Making Trial of Forward Supporting Hydraulic Support for Fully Mechanized Coal Caving
超前支护式液压支架在综采放顶煤工作面的试用
12.
They're in Aisle 3 on the top shelf.
在第三道货架顶层上。
13.
These books go on the top shelf
这些书该放在书架顶层。
14.
A plane fleeted over the top of the hill.
一架飞机掠过山顶。
15.
A plane hummed overhead.
一架飞机在头顶嗡嗡响。
16.
roof-powered platform
顶吊架上的升降工作台
17.
A plane flew overhead.
一架飞机从头顶上飞过。
18.
Remove luggage rack from roo
从车顶拆卸行李架。