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downhole junk
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downhole junk
Encyclopedia
工学
钻井复杂事故种类
释
downhole junk
井下落物
钻井时,形状不规则且无打捞部位可与打捞工具连接的物体(如钻头牙轮、刮刀片、井口工具等)落入井内的现象。
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amorphization
amorphous
amorphous alloy
amorphous alloy catalyst
amorphous alloy fiber
amorphous aluminum oxide
amorphous and liquid semiconductor material
amorphous biomedical alloy
amorphous brazing alloy
amorphous carbon
amorphous carbon film
amorphous catalyst
amorphous catalyst alloy
amorphous coating
amorphous composite
amorphous dielectrics
amorphous galaxy
amorphous graphite
amorphous iron oxides
amorphous magnetic material
amorphous material
amorphous material magnetic sensor
amorphous matter
amorphous metal
amorphous metal flake reinforcements
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