1.
Review of the development of water saving irrigation technology by use of low pressure pipes;
低压管道输水节水灌溉技术发展综述
2.
Optimization of Control Area about Irrigation System of Low-pressure Pipeline in Facility Agriculture
设施农业低压管道灌溉系统控制面积优化
3.
A Computer-aided Design System for Single-well Irrigation District and Small Type Pumping Irrigation District;
单井灌区及小型机电灌区低压管道灌溉计算机辅助设计系统开发
4.
Research on Water Distribution Quota Device for Low-Pressure Pipe Irrigation System in Farmland
农田低压管道输水灌溉系统定额配水装置的研制
5.
Technology of Low Pressure Pipeline Irrigation and Its Effects on Current Agricultural Development
低压管道输水灌溉技术及其在现阶段农业发展中的作用
6.
Study on the Application of Low-pressure Pipe Irrigation Technology in Land Consolidation Project
低压管道输水灌溉技术在土地整理工程中的应用
7.
Air pressure is low along the equator.
赤道附近的气压很低。
8.
Low-cycle Fatigue Life Estimation of Power Plant Boiler Drum and Structure Analysis of Pressure Piping;
电厂锅炉汽包低周疲劳寿命评估技术及压力管道结构分析研究
9.
Equipment Layout and Piping Design of Flash Gas Compressor Group in Low-temperature Methanol-wash Plant
低温甲醇洗闪蒸气压缩机组设备布置及管道设计
10.
These rubber tubes are low–pressure type.
这些橡胶管是低压型。
11.
seibt rectifier
低压真空管全波整流器
12.
Use regulators and pressure-relief devices when connecting cylinders to piping circuits with lower pressure service ratings.
在把钢瓶连接倒较低额定工作压力的管道回路时，使用调整器和减压装置。
13.
In-Line pumps are mainly used to water supply for high buildings, booster pipeline pumps, fire fighting and air condition system with virtually no noise or vibration.
管道泵主要用于高层建筑供水、道增压、防喷淋和中央空调循环系统，具有振动小、音低的特点。
14.
FUEL TUBES/LINES/HOSES AND CLAMPS—LOW-PRESSURE TYPE
燃油管/管线/软管和夹具-低压型
15.
compressed air line breathing apparatus
压缩空气管道呼吸装置
16.
loss of head due to pipe fitting
管道配件的压头损失
17.
Air pressure forces the water through the pipe.
空气压力使水通过管道.
18.
The Motional experimental research in conduit under pressure on pipeline cars
管道车在有压管道中运动的试验研究