JBT的精选

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用“JB/T”造句大全，JB/T造句

用“JB/T”造句大全，JB/T造句

2023-12-30
1、SulphurinexpandablegraphitedeisdeterminedusingthewayofdeterminingSulphurinJB/T6623-93.2、Thispaperpresentsthedifferencesbetweenanewtypeofdirectly-buriedruralcablesandthosespecifiedbyJB/T2171.3、介...