gravel stratum的意思|示意

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gravel stratum相关短语

1、 sand-gravel stratum 砂砾石层

2、 sand gravel stratum 砂卵砾石层

3、 frozen gravel stratum 冻结砾石层

4、 sandy gravel stratum 砂砾层

5、 gravel stratum serving 卵砾石层

6、 freezing gravel stratum 冻结砾岩层

7、 stabilized gravel stratum 稳定碎石基层

8、 sand and gravel stratum 砂砾石垫层

9、 sand gravel stratum serving 砂卵砾石层