immersed tunnel的意思|示意
美 / /
英 / /
immersed tunnel相关例句
Steel shear key is one of important parts for the joint between elements of immersed tunnel.
钢剪切键是沉管接头的关键部件之一,钢剪切键箱体一般通过多排多列的角钢预埋件连接于沉管管体上.
互联网