AWWA CSC91062
Design of an Expert System on Water Well and Well Pump Maintenance
水井及井泵维修专家系统的设计
1991-01-01
SF-98-05-1
Well-Pumping Issues in Commercial Groundwater Heat Pump Systems
商用地下水热泵系统中的井泵问题
CI-81-04-1
Performance of Three Well-Instrumented Residential Solar Energy Systems
三种安装良好的家用太阳能系统的性能
QC/T 986-2014
车用空调冷凝水雾化装置
Atomizing spray pump for vehicle air-conditioning system
2014-10-14
CJJ/T 216-2014
燃气热泵空调系统工程技术规程(附条文说明)
Technical specification for gas engine heat pump air-conditioning system
2014-04-02
T/CPSS 1010-2025
油田丛式井组抽油机变频器共直流母线供电系统设计规范
Technical specifications for design of DC bus power supply system for inverters of oilfield cluster well pumping units
2025-08-22
UNE-EN 1861-1999
REFRIGERATING SYSTEMS AND HEAT PUMPS. SYSTEM FLOW DIAGRAMS AND PIPING AND INSTRUMENT DIAGRAMS. LAYOUT AND SYMBOLS.
制冷系统和热泵 系统流程图、管道和仪表图 布局和符号
1999-03-31
DIN EN 1861
Refrigerating systems and heat pumps - System flow diagrams and piping instrument diagrams - Layout and symbols
制冷系统和热泵-系统流程图、管道和仪表图-布局和符号；德文版EN 1861:1998
1998-07-01
BS EN 1861-1998
Refrigerating systems and heat pumps. System flow diagrams and piping and instrument diagrams. Layout and symbols
制冷系统和热泵 系统流程图、管道和仪表图 布局和符号
1998-12-15
GB/T 23681-2009
制冷系统和热泵 系统流程图和管路仪表图 绘图与符号
Refrigerating systems and heat pumps - System flow diagrams and piping instrument diagrams - Layout and symbols
2009-04-17
JG/T 390-2012
空调冷凝热回收设备
Chiller and heat pump unit with condensing heat recovery for air conditioning system
2012-09-21
GB/T 27941-2011
多联式空调（热泵）机组应用设计与安装要求
Code of design and installation for multi-split air conditioning （heat pump）system
2011-12-30
DE-13-C023
Post-occupancy Assessment of Thermal-pile and Open-well Ground Source Heat Pump (GSHP) System -- Case Study
热电堆和露井地源热泵系统的使用后评估——案例研究
NB/T 11521-2024
矿用巡检仪监控系统通用技术条件
General technical conditions of monitoring system for mine patrol inspection instrument
2024-05-24
SE-99-21-1
Energy Use of Ventilation Air Conditioning Options for Ground-Source Heat Pump Systems
地源热泵系统通风空调方案的能源利用
MN-00-05-2
Energy Use of Ventilation Air Conditioning Options for Ground-Source Heat Pump Systems
地源热泵系统通风空调方案的能源利用
ASTM D5503-24
Standard Practice for Natural Gas Sample-Handling and Conditioning Systems for Pipeline Instrumentation
管道仪表用天然气样品处理和调节系统的标准实施规程
2024-10-01
LB-17-C068
Comparison of the Energy Saving Potential between Centralized and Decentralized Pumping Systems under Various Flow Conditions
不同流量条件下集中式和分散式水泵系统节能潜力的比较
ISO 18242-2016/Amd 1-2023
Cardiovascular implants and extracorporeal systems — Centrifugal blood pumps — Amendment 1: Worst-case conditions for testing
心血管植入物和体外系统离心式血泵修改件1:最坏试验条件
2023-08-18
GB/T 30245.1-2013
工业过程测量和控制系统用远程输入输出设备 第1部分：通用技术条件
Remote input and output instruments for industrial process measurement and control systems—Part 1: General technical conditions
2013-12-31