Investigates the realization of DC electrical-closedloading technology and designs the QR512 MT gearbox test bench.
研究了直流电封闭加载技术的实现，设计QR 512系列手动变速箱交检加载试验台。
2
This paper is a supplement to that one entitled "ClosedLoading System of the Leight Oil and Its Operation-on-Trial".
本文系对“轻油的密闭装车与试用”一文的补充。
3
After completion of loading, the PC of galley ring bridge walkway will constitute a half closed space, both beautiful and can have the effect of the rain.