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tip ping tube | |||
articulated drop chute | |||
articulated chute | |||
articulated drop chute; elephant trunk; pipe chute; tipping tube | |||
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articulated chute | |||
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drop chute |
溜管 : 16 phrases in 4 subjects |
Architecture | 2 |
Electronics | 1 |
Hydroelectric power stations | 3 |
Technology | 10 |