... 可用能量，有效容量 useful capacity 载货吨useful dead weight 有效寿命 useful life ...
2
?载货吨位
... useful compression ratio 有效压缩比 useful dead weight载货吨位 useful deadweight 净载重量 ...
双语例句
1
The test results might be useful to similar projects in the area of dead-weight collapse loess with heavy section and to revise "Code for building construction in collapsible loess regions".