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单词
round trip
释义
round trip
[`rau̇nd ¦trip]
ENGINEERING
The combined operations of entering and leaving a hole during drilling operations.
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needle nozzle
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needling
need-to-know
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neencephalon
negation
negative
negative acceleration
negative acknowledgement
negative afterimage
negative angle
negative area
negative booster
negative catalysis
negative charge
negative conductor
negative correlation
negative crystal
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