tap sand

英 [tæp sænd] 美 [tæp sænd]

网络  离模砂

机械



双语例句

  1. Better results were also gotten with sugar, tap water and river sand instead of sucrose, deionized water and agar.
    以市售白糖和自来水代替蔗糖和去离子水,以河沙代替琼脂试验均取得了良好的效果。