After the falling mass has come to rest, measure within 1min after fall the distance apart of the two attachment points of the energy absorbing system under the static load of the falling mass.是什么意思_After the falling mass has come to rest, measure within 1min after fall the distance apart of the two attachment points of the energy absorbing system under the static load of the falling mass.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句