jack hammer
[消防英汉词典]
jack hammer气锤,风镐
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[新英汉石油技术词典] jack hammer
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[地质英汉词典] jack hammer
[环境英汉词典] jack hammer
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[矿业英汉词典] jack hammer
[能源英汉词典] jack hammer
[航海英汉词典] jack hammer
[计算机英汉词典] jack hammer