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Sonic Vibration drilling
释义
Sonic Vibration drilling
Encyclopedia
理学
钻进方法
释
Sonic Vibration drilling
声频钻进
以振动频率为50~200赫兹的高频振动为动力的钻进方法。又称声频振动钻进、声波钻进。
随便看
polytropic equation
polytropic equation of state
polytropic equilibrium
polytropic exponent
polytropic gas
polytropic gas sphere
polytropic index
polytropic model
polytropic process
polytropy
polytype
polytypic aggregation
polytypic genus
polytypic species
polytypism
polyundecaneamid
polyundecaneamid; poly (11-aminoundecanoic acid)
polyunsaturated fatty acid
polyurea
polyurethane
polyurethane adhesive
polyurethane as biomedical material
polyurethane coating
polyurethane coating agent
polyurethane elastic fiber
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