... 刻上分度的 graduated 煤层上分层 upper leaf 面上分布 areal distribution; distribution in area ...
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球齿轮是在其球冠面上分布着一道道环形齿的新型齿轮。
Ball gear is distributinging to together on face of its ball coronal the new-style gear of annular tine.
球齿轮是在其球冠面上分布着一道道环形齿的一种新型齿轮。
The spherical gear is a new type of gear formed by attributing ring teeth on a spherical face.
沉积相在平面上分布范围明确，纵向上既有差异性又有继承性。
The sedimentary facies were developed in specific places in plane and shows differences and inheritance in vertical evolution.
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