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平均燃烧 | |
avia. | mean burning |
GPS 时间 | |
space | GPS time |
tE时间 | |
el. sec.sys. | time |
时间 | |
environ. | time |
interntl.trade. | time on demurrage |
met. | duration; hour; period |
oil | time |
phys. | duration |
| |||
mean burning |
平均燃烧 : 7 phrases in 3 subjects |
Aviation | 2 |
Oil / petroleum | 1 |
Space | 4 |