1)  anchor stone,anchorage stone
底砾
2)  bottom gravel layer
底砾层
1.
To demonstrate the impermeability of the bottom gravel layer, its distregulation and lithology are analyzed and studied.
第四纪底砾层直接覆盖在谢桥煤矿煤系地层之上,其隔水性能影响到防水煤柱的合理留设。
3)  basal conglomerate
底砾岩
1.
Genetic types of basal conglomerate of the Changzhougou Formation in the central sector of the Yanshan Mountains;
燕山中段常州沟组底砾岩的成因类型
4)  basal conglomerate
底砾岩<地>
5)  caic-breccia of red bed
红层底砾岩
6)  basal conglomerate of the Shuangqiaoshan Group
双桥山群底砾岩
补充资料:如来砾乞底菩萨
【如来砾乞底菩萨】
 (菩萨)胎藏界曼荼罗释迦院上行北端之第九位。梵号砾乞底,译言槊,密号曰众行金刚。主如来外护方便之德。肉色,右手持一股戟,左手为金拳安脐下,坐莲上。
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