论文还对后机架进行了轻量化优化设计。
Finally, the lightweight optimization design on rear frame is carried on.
后机架为长方形框架，其上安装有注射装置、油箱、比例压力、流量油路块、油冷却器、电机和油泵等。
The rear rack is square framework above which injector apparatus, cylinder, proportional pressure meter, oil cooler, electric engine and oil pump, etc, are equipped.
怀尔德经常说到，他之所以不愿把摄像机架在燃烧着的壁炉后，是因为永远也不可能从壁炉后观察到率真的生活。
Wilder often talked about how he wouldn't stick a camera behind a roaring fireplace because you never watch life unfold from behind a fireplace.
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