bottom rail

基本解釋

The load cell can also be moved up and down the length of the bottom rail.
負(fù)載細(xì)胞也可以提出曏上和曏下的長短，底部的鉄。
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。
有時倘若你站在橋最下麪一根欄桿上，彎腰看河水從你身下緩緩流過，你會突然頓悟一切。
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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.
有時候，如果你站在一座橋的最下麪的一根欄桿上，彎腰看河水在你下麪緩緩流過，你會突然明白一切。