浮力调整背心 (浮力調整背心) fúlì tiáozhěng bèixīn

fúlì tiáozhěng bèixīn proper noun BCD / Buoyancy Compensation Device (diving)
Domain: Modern Chinese 现代汉语 , Subdomain: , Concept:
Notes: (CC-CEDICT '浮力調整背心')