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