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词汇
pH
释义
pH
/ˌpi: ˈeɪtʃ
||
; ˌpi ˈetʃ/
noun
[sing] a measurement of the level of acid or
ALKALI
in a substance pH值(物质中含酸或碱程度的计量单位)
A
pH
value of below 7 shows an acid and of above 7 shows an alkali.
pH
值低于7呈酸性,高于7呈碱性。
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