内部插套件均使用锡青铜材料，在16a插孔部位材料厚度更达0.8mm，弹性优良，接触可靠，安全耐用。

Interior inserts are made in excellent tin bronze. The 16a receptacle is as high as 0.8mm, with the property of high elasticity, tight contact and everlasting use.

youdao

内部插套件均使用锡青铜材料，在16a插孔部位材料厚度更达0.8mm，弹性优良，接触可靠，安全耐用。

Interior inserts are made in excellent tin bronze. The 16a receptacle is as high as 0.8mm, with the property of high elasticity, tight contact and everlasting use.

youdao