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mechanical efficiency | |
avia. | 力学效率 |
busin. | 机器效率 |
log | |
gen. | 把...记入航海日志; 记录; 日志 |
auto.ctrl. | 记日志 |
hydroel.st. | 原木 |
sport. | 伐木 |
| |||
力学效率 | |||
机器效率 | |||
机械效率 |
mechanical efficiency log : 9 phrases in 7 subjects |
Automobiles | 1 |
Aviation | 1 |
Electric machinery | 1 |
Geophysics | 1 |
Hydroelectric power stations | 2 |
Nautical | 1 |
Technology | 2 |