sinking technique的意思|示意
凿井技术
sinking technique相关短语
1、 construction with vibrating formwork-sinking technique 振动沉模施工
2、 pipe-sinking construction technique 沉管施工技术
3、 application of sinking survey technique 沉降观测技术的应用
4、 sinking well construction technique 沉井施工技术