bottom rail

基本解释

The load cell can also be moved up and down the length of the bottom rail.
负载细胞也可以提出向上和向下的长短，底部的铁。
Sometimes, if you stand on the bottom rail of a bridge and lean over to watch the river slipping slowly away beneath you, you will suddenly know everything there is to be known。
有时倘若你站在桥最下面一根栏杆上，弯腰看河水从你身下缓缓流过，你会突然顿悟一切。
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Sometimes, if you stand on the bottom rail of a bridge and lean over to watch the river slipping slowly away beneath you, you will suddenly know everything there is to be known.
有时候，如果你站在一座桥的最下面的一根栏杆上，弯腰看河水在你下面缓缓流过，你会突然明白一切。