... directional characteristic 方向特性 directional charge 定向药包 directional clinograph 井斜测定仪 ...
基于62个网页-相关网页
... pinkish talc 粉红滑石 pin-point charge 定向药包 pioneer tunnel 超前小平巷 ...
基于8个网页-相关网页
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pin-point charge
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directional charge
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