浮力调整装置fú lì tiáo zhěng zhuāng zhìfulitiaozhengzhuangzhiBCDBuoyancy Compensation Device (diving)Characters in this word力strength, power整neat, orderly, whole浮to drift, to float置to lay out, to place, to set aside装dress, clothes, attire调tune, melody, keyStudy it in Yanamino