Just only need contacts between the air-powered pump and 2” hole of standard barrel to fulfill the functions.
Just only need contacts between the air-powered pump and 2” hole of standard barrel to fulfill the functions.
所有功能实现，只需要气力泵与标准桶的一个2”联结。
Just only need contacts between the air-powered pump and 2” hole of standard barrel to fulfill the functions.
所有功能实现，只需要气力泵与标准桶的一个2”联结。