noun
数据来源:WordNet
Improving the Calculating Method Used for Crosstie of Framed Wooden Case
对框架木箱枕木计算方法的改进
" crosstie : a transverse beam or rod serving as a support , especially a beam that connects and supports the rails of a railroad . "
“横木,枕木:一种起支撑作用的横向木杆,尤指连接和支承铁路轨道的枕木.”