coarse sand造句

1、She stood on the coarse sand and played with her son.
她和她的儿子在粗糙的沙子上玩。

2、The test target of "depositing coarse sand and discharging the fine" is basically achieved.
放淤试验工程“淤粗排细”的目标基本得以实现。

3、Thus coarse sand and clay had larger capacity for pyrene sorption.
粗砂粒组和粘粒组对芘的吸附能力较大，细砂粒组和粉砂粒组相对较小。