residual contaminant造句
例句與造句
- standard practice for determination of soluble residual contaminants in materials by ultrasonic extraction
用超聲萃取法測(cè)定材料中可溶殘留污染物的標(biāo)準(zhǔn)實(shí)施規(guī)范 - It's difficult to find residual contaminant in a sentence. 用residual contaminant造句挺難的