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乒乓 | |||
往复转换操作 | |||
乒乓技术 | |||
乒乓球运动 | |||
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往复转换工作 | |||
乒乓式; 开关式 | |||
乒乓球 | |||
乒乓球运动 | |||
往复式 | |||
乒乓方式; 交替发送方式 | |||
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嘉年华游戏乒乓机 |
ping pong : 24 phrases in 9 subjects |
Aviation | 2 |
Biotechnology | 1 |
Computers | 1 |
Information technology | 3 |
Oil / petroleum | 1 |
Sports | 2 |
Table tennis | 7 |
Technology | 2 |
Telecommunications | 5 |