transition layer短语¹⁴⁴⁹⁷²⁺² 基本例句 转变层,过渡层 But the salt of saturated zone is relatively stable whenever the salt content in high or low. Therefore, the transition layer has a remarkable isolation effect of salt movement. 但过渡层以下的饱和层盐分，不管含盐量高低，均处于相对稳定状态。过渡层对下层高含盐的隔离作用显著。 d.wanfangdata.com.cn