main pipe meaning in English
排水干管；总排水管
主管道
总管路
总排水管
Examples
- Hvac : 170t chiller , 5 " main pipe , totally 184 , 000cfm air volume
空调：冰水主机170吨5 ”冰水干管送风量184000cfm 。 - Blind main pipe
尽端干管 - Pig inlet & outlet and oil ( air or water ) inlet shall be connected respectively to the main pipe by valves
收发球口和进油（气、水）口分别通过阀门与主管线连接。 - The rolling emulsion and oil pipe form a closed system with the cooler , filter and indicator for pressure of the main pipe
轧机乳液和油路自成封闭系统，具有冷却、过滤和总管压力指示功能。 - 6 . through theoretical analysis and mathematical derivation , the relation between main pipe distribution and the cost was obtained . 7
5 .通过理论分析和数学推导，得出了有关自压喷灌系统中各主要管道布设规格与投资间的关系式。