ເຄື່ອງຄິດໄລ່ porosity ທີ່ປາກົດຂື້ນ

Weight Of Piece Soaked (S):
Weight Of Dry Piece (W):
Weight Of Piece Soaked & Immersed (I):
Apparent porosity:
ເຄື່ອງຄິດໄລ່ porosity ທີ່ປາກົດຂື້ນ