2. The advantages and disadvantages of several types of caisson precasting, such as dock-type precasting, caisson platform precasting, sloping slipway precasting, etc. 介绍预制沉箱的几种形式,如坞式预制、沉箱台座预制、斜坡滑道预制等的优缺点,重点介绍比较常用的沉箱预制台座的各种不同形式。
3. In the slipway like a dragon and colored ribbon cruising among mountains, travelers tied to canvas saddles slide down hills in a zigzag line, as mounting on a runaway wild horse. 似苍龙,如彩带游弋在山林之间的滑道,游客系上粗帆布坐垫,之字形的向山下溜滑。就像骑上一匹脱僵的野马。
英英解释
n.
1. structure consisting of a sloping way down to the water from the place where ships are built or repa