Math Equations GIF

a hollow steel column with an internal diameter of 248 mm has to support an axial load of 200 kn
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ຄຳອະທິບາຍເນື້ອຫາ: a hollow steel column with an internal diameter of 248 mm has to support an axial load of 200 kn
ຂະໜາດໄຟລ໌: 7926KB
ໄລຍະເວລາ: 13.400 sec
ຂະໜາດ: 498x280
ສ້າງແລ້ວ: 7/1/2020, 2:02:48 PM

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