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信号选择器 | |
geophys. | signal selector |
脉冲 | |
automat. | impact |
hydroel.st. | pulse |
oil | impulse |
rem.sens. | burst |
space | pulse train; bang; burst; outburst |
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signal selector | |||
signal slot |
信号选择器 : 5 phrases in 4 subjects |
Aviation | 1 |
General | 1 |
Space | 1 |
Technology | 2 |