DWTDEADWEIGHT TONNAGE载重吨
freight tonnage载货容积吨位;[交] 载货吨位;货运吨数;载货量
cargo tonnage[交] 载货吨位;货物吨位;货物吨;载
tonnage well[油气] 吨位井;量吨井孔
tanker tonnage油轮吨位;油槽船吨位
tonnage deduction量吨减额;量吨扣除额
tonnage law船舶吨位丈量法则;吨位法
N-VAR（有变体名词） The tonnage of a ship is its size or the amount of space that it has inside it for cargo. 吨位 [技术]
N-VAR（有变体名词） Tonnage is the total number of tons that something weighs, or the total amount that there is of it. 吨数