primary deposit

• 原生矿床,初级存款,原始沉积,现金存款

primary deposit的用法和样例：

例句

1. It is the primary sedimentary characteristics of sandstone and the fine porethroat distribution preponderant through diagenesis modification that caused low permeabili-ty.
   砂岩原始沉积特征和成岩作用改造后细孔喉分布优势是导致低渗透的原因。