de d. in d.

[医] 天天

医学



双语例句

  1. The Second Wastewater Treatment Plant in Jinan City uses the oxidation ditch process and its design capacity is 20 × 10~ 4 m~ 3/ d.
    济南市水质净化二厂设计规模为20×104m3/d,采用了DE型双沟式氧化沟工艺。