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手动跟踪 | |
space | manual tracking |
转速计 | |
eng.geol. | kinemometer; tacheometer |
exhib. | revolution meter |
hydroel.st. | tachometer; speedometer; turnmeter |
met. | revolution counter |
oil | motometer |
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manual tracking | |||
hand tracking |
手动跟踪 : 4 phrases in 3 subjects |
Air defense | 1 |
Hydroelectric power stations | 1 |
Technology | 2 |