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inverted signal
释义
inverted signal
反信号
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penetration method
penetration needle
penetration number
penetration of dampness
penetration of extraction field
penetration of fracture
penetration of hardness
penetration of ions
penetration of radiation
penetration of the tool
penetration peg
penetration per blow
penetration pile
penetration pricing
penetration probability
penetration range
penetration rate
penetration ratio
penetration resistance
penetration-resistance curve
penetration sounding
penetration speed
penetration surface treatment
penetration test
penetration theory
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