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孕镶金刚石钻头
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孕镶金刚石钻头
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孔内钻具
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impregnated diamond bit
孕镶金刚石钻头
细颗粒金刚石包镶在胎体内的金刚石钻头。因使用人造金刚石,又称为人造孕镶金刚石钻头,广泛用于硬地层钻进中。
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three types of disease causes
three unities
three up three down
three-valued logic
Three Variations of the Plum Blossom Tune
three vehicles
three-view drawing
Three Wars against Luchuan
three wars between Nurhaci and the Ula clan
three wavelength polarization raman lidar
three wave process
three-wave process
three way catalyst
three-way catalyst
three-way catalytic converter
three-way Doppler
three way handshake
three-way light time
three-web
three wings lead survey
three wisdoms
Three Women
Three Worlds
Three Year Action Plan for Pre-School Education
Three-year Action Plan of Provincial Environmental Protection and Construction
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