1) boom topping angle
![点击朗读](/dictall/images/read.gif)
吊杆仰角
2) critical angle of beam
![点击朗读](/dictall/images/read.gif)
吊杆临界仰角
3) steeve
[英][sti:v] [美][stiv]
![点击朗读](/dictall/images/read.gif)
斜桅仰角;吊货短杆
4) steeve
[英][sti:v] [美][stiv]
![点击朗读](/dictall/images/read.gif)
吊杆;舟首斜桅仰角;用吊杆装货
5) luffing derrick
![点击朗读](/dictall/images/read.gif)
俯仰式吊杆
6) steeve
[英][sti:v] [美][stiv]
![点击朗读](/dictall/images/read.gif)
首斜桁仰角舱内理货吊杆
参考词条