This system has higher con-trolling precision and reliability, and is suitable for the control of gas, carburizing of the one or multiple pit furnaces.
该系统具有较高的控制精度和可靠性，适用于单台或多台井式炉气体渗碳的控制。
Low head pump system has several types, among which pit tubular pump system is a new one.
低扬程泵装置有多种型式，竖井式贯流泵装置是一种较新的低扬程泵装置型式。
The system consists of a swirling chamber, two vertical buckets on its wall, a drop shaft and a water cushion pit with one blind tunnel.
本文通过模型试验研究涡室-竖井内消能系统，用内设阻涡坎的涡室连接泄洪洞和竖井，带盲洞的消力井连接竖井和导流洞。
Mining transport system is one of the most important production links in open-pit mining process.
矿山运输系统是露天矿开采工艺中非常重要的生产环节。
Mining transport system is one of the most important production links in open-pit mining process.
矿山运输系统是露天矿开采工艺中非常重要的生产环节。
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