1.
Neither of the underground installations was greatly affected by the blast.
上述两处地下装置均未受到爆震的严重影响。
2.
Parameter model of water-conducting device specification for indirect subsurface drip irrigation
间接地下滴灌导水装置规格参数模型
3.
The slave unit is located at the ground stations.
附属装置安装在地面台。
4.
Application of Press Bele Installation Rubbercoated Draper on the Complicat Geology
复杂地质条件下胶带输送机压带装置的应用
5.
Study on the Simulation and Satisfactory-optimization Design of Work Device of the Scraper;
地下铲运机工作装置动态仿真与满意优化研究
6.
Design and Research on Driving Device of Puncturing Mud Robot
地下穿孔机器人驱动装置的设计与研究
7.
Workers went as much as78 feet underwater to dig the supports for the Brooklyn Bridge.
工人必须到河水下方78英尺的地方，设置支撑布鲁克林桥的装置。
8.
A Brief Discussion on Installation and Operation of Enclosed Bus Light Positive Pressure Equipment for Underground Plant
浅谈地下厂房封闭母线微正压装置的安装与运行
9.
Door Protection Device: When the aircraft door is approaching the floor of the cabin port, this device will automatically lower tile boarding bridge to ensure the safety of the aircraft door.
机门保护装置：为保证飞机舱门安全，在飞机舱门接近接机口地板时，此装置使登机桥自动下降。
10.
hydraulic roll screwdown
液压式轧辊压下装置
11.
pipe reciprocator
上下活动套管的装置
12.
underwater self-homing device
水下自动导航装置 -导弹
13.
screw lower bridge of automatic device
自动装置下夹板螺钉
14.
radon effect seismic predictor
氡效应地震预报装置
15.
electronic proBes into the crust of the earth.
勘察地壳的电子装置
16.
map comparison unit
地形图重合比较装置
17.
earthing device for portable instrument
活动仪器的接地装置
18.
DME ground beacon antenna
测距装置地面信标天线