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Gravel is an unconsolidated mixture of rock fragments or pebbles.
砂砾是砾石岩石碎片或卵石的松散的混合物。
youdao
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Unconsolidated sandstone reservoirs are all over international various oil region.
疏松砂岩油藏遍布于世界的各个油区。
youdao
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Unconsolidated sandstone reservoirs are all over international various oil region.
疏松砂岩油藏遍布于世界的各个油区。
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