The bearings are classified by elements as single row, double row and multiple row bearings.
根据滚动体排列情况，可以把这类轴承划分为单列、双列和多列。
In the paper a new type perforated breakwater is proposed which consists of multiple row retaining panels and group pile foundations.
本文提出一种新型透空式防波堤，该堤由多排档板上部结构和群桩基础组成。
In the paper a new type perforated breakwater is proposed which consists of multiple row retaining panels and group pile foundations.
本文提出一种新型透空式防波堤，该堤由多排档板上部结构和群桩基础组成。
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