The besieging forts would have a great big sling 那些攻城軍應(yīng)該有巨大的拋石機(jī)
The besieging forts would have a great big sling . . 那些攻城軍應(yīng)該有巨大的拋石機(jī)… …
Standard guide for placement of riprap revetments 拋石護(hù)坡堆放標(biāo)準(zhǔn)指南
Known as a trebuchet , and they used it to fire rocks over the ramparts 他們就用拋石機(jī)直接把石頭拋進(jìn)城里
. . . known as a trebuchet , and they used it to fire rocks over the ramparts 他們就用拋石機(jī)直接把石頭拋進(jìn)城里
Rubble mound breakwater 拋石防波堤
Analysis and control of compaction by blasting to construct deep water rubble - mound foundation 深水拋石基床爆夯施工影響分析及其控制
Rayleigh wave testing the dynamic compacted ground filling stones into the sea in shenzhen city 深圳市拋石填海強(qiáng)夯地基的瑞雷波法檢測(cè)
Technical research and improvement and technology discussion on self - jacking up platform for riprap and trim 自升式拋石整平平臺(tái)船技術(shù)研發(fā)工藝探討
Analysis of the scour to the river bed along the southern main dike of the jingjiang river before and after throwing stones into the nearshore water 荊南干堤局部河段近岸水下拋石前后沖淤分析