英语翻译400 x 400 x12 x 12 684 Mtr ( Hollow Fabricated Column made from 12 mm thick Plate )2.300 x 300 x 12 x 12 48 Mtr ( Hollow Fabricated Column made from 12 mm thickk Plate )3.H 900 X 300 X 12 X14 24 Mtr4.H 800 X 250 X 10 X12 12 Mtr5.H 700 X 2

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英语翻译400 x 400 x12 x 12 684 Mtr ( Hollow Fabricated Column made from 12 mm thick Plate )2.300 x 300 x 12 x 12 48 Mtr ( Hollow Fabricated Column made from 12 mm thickk Plate )3.H 900 X 300 X 12 X14 24 Mtr4.H 800 X 250 X 10 X12 12 Mtr5.H 700 X 2

英语翻译400 x 400 x12 x 12 684 Mtr ( Hollow Fabricated Column made from 12 mm thick Plate )2.300 x 300 x 12 x 12 48 Mtr ( Hollow Fabricated Column made from 12 mm thickk Plate )3.H 900 X 300 X 12 X14 24 Mtr4.H 800 X 250 X 10 X12 12 Mtr5.H 700 X 2
英语翻译
400 x 400 x12 x 12 684 Mtr ( Hollow Fabricated Column made from 12 mm thick Plate )
2.300 x 300 x 12 x 12 48 Mtr ( Hollow Fabricated Column made from 12 mm thickk Plate )
3.H 900 X 300 X 12 X14 24 Mtr
4.H 800 X 250 X 10 X12 12 Mtr
5.H 700 X 250 X 10 X12 12 Mtr
6.H 500 X 220 X 10 X12 60 Mtr
7.H 450 X 220 X 10 X 10 774 Mtr
8.H 400 X 200 X 8 X10 552 Mtr
9.H 350 X 150 X 8 X 8 198 Mtr
10.H 300 X 150 X 8 X 8 300 Mtr
11.C 220 X 75 X 20 X 2.5 150 Mtr
12.C 160 X 70 X 20 X 3.0 36 Mtr

英语翻译400 x 400 x12 x 12 684 Mtr ( Hollow Fabricated Column made from 12 mm thick Plate )2.300 x 300 x 12 x 12 48 Mtr ( Hollow Fabricated Column made from 12 mm thickk Plate )3.H 900 X 300 X 12 X14 24 Mtr4.H 800 X 250 X 10 X12 12 Mtr5.H 700 X 2
Mtr 应该是metric公制的缩写吧
由12mm厚的板材制成的空腔柱.
仅供参考

英语翻译400 x 400 x12 x 12 684 Mtr ( Hollow Fabricated Column made from 12 mm thick Plate )2.300 x 300 x 12 x 12 48 Mtr ( Hollow Fabricated Column made from 12 mm thickk Plate )3.H 900 X 300 X 12 X14 24 Mtr4.H 800 X 250 X 10 X12 12 Mtr5.H 700 X 2 10x+4=x-1X12 10%x十（120一x）X12%=13 80%x-1.2X12＝1.6解方程 28.12 9.2812 28.28fx=x12 x根9 14.12 9.1412 14.14fx=x12 x根9 表示绝对值.fx=x12 x根0 x15＋x12＋x10＝1365,x怎么求? 求解方程式：12+1.5X=1.8+X12+1.5X=1.8+X 300+x分之300x8%二120+x分之120x12.5方程怎么解? 简便方法计算 （-8）x（-7.2）x（-2.5）x12分之5= 方程91+4x12.5和x-0.48x=7.28,这两个方程怎么解, 13X12=13X()+()X2=12X()十()X3=() 15x（30-x）=25x12怎么解这道比例方程? (1-15x)除以10X12+12x这方程怎么解 2^10x^11+(-2)^11x^11＋(2^9+1)x12得数 9.12 9.2812 28.91212 -x根9=x12-x根942 /|a||b|=27.12|b|^27/|b|^2712 -x根5=x12-x根542