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rudaceous rock

n. a sedimentary rock formed of coarse-grained material

1、砾状岩

... 厚壳蛤类 Rudistes 砾状岩 rudite; rudyte; rudaceous rock 茹氏蕨 Ruffordia ...

2、粗碎屑岩

...Rucker plan ==> 拉克计划rudaceous rock ==> 粗碎屑岩rudder ==> 方向舵,方向舵偏角,舵,艄 ...

地球科学

n.a sedimentary rock formed of coarse-grained material

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