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水下声波测距
 水下声波测距
el. subaqueous sound ranging
| 开发
 开发
gen. develop; exploit; exploitation
fin. drawing
hydroel.st. development
manag. tap
met. opening-up
mining. journal of development
oil development
| 设施
 设施
gen. facilities

to phrases
水下声波测距
el. subaqueous sound ranging
水下声波测距: 6 phrases in 5 subjects
Earth sciences1
Electronics2
General1
Geophysics1
Navigation1