回顶部绝缘套管,东方电瓷绝缘套管,穿墙套管(wall casing)绝缘套管,DF绝缘套管,电瓷(Electroceramics)绝缘套管,340（mm）绝缘套管...
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thin wall casing 薄壁套管
thick wall casing 厚壁套管
heavy wall casing 厚壁套管
thick-wall casing 厚壁套管
double wall casing 双壁套管
Extra-heavy Wall Casing 特厚壁套管
extra heavy wall casing 特厚壁套管
The expanded tube is thin wall casing with open mouth.
胀管为开口薄壁套管；
A kind of thin wall casing made of AZ91D alloy for pocket computer and mobile phone is manufactured by die-casting.
用AZ91D镁铝合金压铸生产手机和笔记本电脑的结构件时，产品表面会出现爆痘、白点和黑色絮状物等缺陷。
Guarantee special thick wall casing to put down successfully and improve reaming after drilling technology to seal quality of salt layer.
保证特厚壁套管顺利下入和提高盐膏层封固质量的钻后扩眼技术。
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