defect of substance的意思|示意
美 / diˈfekt ɔv ˈsʌbstəns /
英 / ˈdiˌfɛkt ʌv ˈsʌbstəns /
[法] 实质上的缺陷
defect of substance相关例句
Soil acidization, low organic substance and effective nutrients, nutrition defect and disorder are the major problems in rubber plantations of Yunnan.
云南橡胶园土壤存在明显酸化、有机质下降、有效养分降低、缺素和营养失调等问题。