delta facies的用法和樣例：
例句
- The Quaternary system in Hanjiang delta is formed by delta sedimentation which is mainly controlled by river trasportation.
韓江三角洲第四系是以河流搬運為主而形成的三角洲相沉積物。 - In the lower part of Member 3 of Shahejie Formation, the main reservoir types are fan-delta and sublacustrine fan facies.
沙三段下亞段主要儲層沉積相類型為扇三角洲相和湖底扇相。
