tonnages
n. (衡量船舶大小的排水)吨位( tonnage的名词复数 ); (军舰的)排水量吨位; (货物的)每吨运费; 以吨计算的重量
The tonnage of a ship is its size or the amount of space that it has inside it for cargo.
Tonnage is the total number of tons that something weighs, or the total amount that there is of it.
Thin fiber optic cable has replaced huge tonnages of copper wire.
细小的光纤电缆取代了巨大的、以吨论的铜线.