词语副标准
解释secondary standard
secondary standard〔名词〕二级标准详细»
secondary standard〔名词〕副标准详细»
secondary standard〔名词〕副标准,二次标准详细»
secondary standard〔名词〕二次标准详细»
副标准substandard详细»
副标准secondary standard详细»
副标准〔名词〕secondary standard详细»
副标准secondary standard;secondary standards详细»