BAll BEArings | \r\nCx-100,Cx-200, AnDCy-450 sEriEs |
rollED shEEting | \r\ngAlvAnizED iron, 25-millimEtEr thiCknEss zinC-CoAtED stEEl, 35-millimEtEr thiCknEss |
tuBing | \r\nCoppEr-plAtED, 2.5-CEntimEtEr DiAmEtEr titAnium-rEinForCED, 3-CEntimEtEr DiAmEtEr |
squArE plAtEs | \r\nzz-ii5 AnD zz-118 sEriEs |
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根据网考网移动考试中心的统计,该试题:
9%的考友选择了A选项
89%的考友选择了B选项
0%的考友选择了C选项
2%的考友选择了D选项