1) back-load ship type
背载式
1.
In this article the author describes the special requirements in transporting the hydraulic turbine runners of the Three Gorges, factors considered and principal dimensions and full-formed ship that are finally confirmed in the research and design of back-load ship type.
论述了长江上第一条背载式重大件物品运输货船的研发与设计 ,针对运输三峡水轮机转轮的特殊要求 ,考虑了有关因素 ,最终确定的主尺度和肥大船型具有变吃水、装载重大件、散货、集装箱等多种功能 。
2) Carrying Waistcoat
承载背心
3) piggybacking
[英]['pigibæk] [美]['pɪgɪ,bæk]
背袱，机载
4) piggy-back
背载在背上的
5) the method of reducing load on extrados
拱背减载法
6) background wind load
背景风荷载
1.
The equivalent wind load(EWL) can be expressed in a separated form in terms of mean wind load,equivalent background wind load and inertial wind load.
桥梁等效风荷载一般被分为平均风荷载、等效背景风荷载和惯性风荷载 3部分 ,分别计算后再按一定的方式将其组合为总的等效风荷载 。
补充资料：背对背
背靠背。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条