关于JBT的百科

• JB/T造句怎么写

• 1、SulphurinexpandablegraphitedeisdeterminedusingthewayofdeterminingSulphurinJB/T6623-93.2、Thispaperpresentsthedifferencesbetweenanewtypeofdirectly-buriedruralcablesandthosespecifiedbyJB/T2171.3、介绍了新型农用直埋电力电缆系列产品与JB/T2171标准界定...
• 2023-12-3011284