So come on: jack be nimble, jack be quick!
你们来吧：杰克快点，杰克快点！
So come on: Jack be nimble, Jack be quick! Jack Flash sat on a candlestick.
哦，来吧，聪明灵巧的杰克闪耀在火把尖。
The quick latch jack can be widely used in the coring operation in the oil and gas drilling engineering.
本实用新型 可广泛用于石油、天然气钻井工程取岩心作业中。
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