iiia

iiia

 英

  • 网络二级预防;肝管;沙漠

例句

With the exception of boron, group IIIA elements are also fairly reactive metals.

除了以外第三元素也是比较活泼金属

Test Method for Monitoring of Rotational Torque of Type IIIA Child-Resistant Closures

IIIA儿童开启关闭旋转力矩试验方法