... accounting method for: length (m unit) x width (m unit) x thickness (hao m unit) x 1.2, namely to corresponding the ... of the most commonly used for: 1.27 x 1.87 m, 1.25 x 2.48 m, 1.54 x 3.04 thickness of ... accounting method for: length (m unit) x width (m unit) x thickness (hao m unit) x 1.2, namely to corresponding the ... of the most commonly used for: 1.27 x 1.87 m, 1.25 x 2.48 m, 1.54 x 3.04 thickness of ...