accumulation layers造句

"accumulation layers"是什么意思

造句与例句手机版

Railway jacking bridge engineering passing through sand pebble ( gravel ) layer, because it is a complex loose coarse fragment accumulation layer, the roadbed must be reinforced
摘要铁路顶桥工程中遇到砂卵（砾）石层时，因砂卵（砾）石层是一种复杂松散粗碎屑堆积层，因此必须对铁路路基进行加固。
It's difficult to see accumulation layers in a sentence. 用accumulation layers造句挺难的

相邻词汇

用"accumulation funds"造句, 用"accumulation horizon"造句, 用"accumulation in body tissues"造句, 用"accumulation lake"造句, 用"accumulation layer"造句, 用"accumulation level"造句, 用"accumulation limit"造句, 用"accumulation line"造句, 用"accumulation method"造句,

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