-
密封状态下干燥、洁净、无污染。
Be clean without pollution under the sealed condition for drying.
youdao
-
海洋深层水无污染，非常洁净，具有还原性。
The deep sea water is environmental friendly, very clean and hydroxides.
youdao
-
海洋深层水无污染，非常洁净，具有还原性。
The deep sea water is environmental friendly, very clean and hydroxides.
youdao