三级片视频播放,精品三级片在线观看,A级性爱视频,欧美+日韩+国产+无码+小说,亲子伦XX XX熟女,秋霞最新午夜伦伦A片黑狐,韩国理伦片漂亮的保拇,一边吃奶一边做边爱完整版,欧美放荡性护士videos

GB/T5224-2003

                                     J產戶一  ~、

                                              d \

                                      ，‘‘，一 一于戶

                            圖3 1x7結構鋼絞線外形示意圖

                   表3 1x7結構鋼絞線的尺寸及允許偏差、每米參考質里

                                         鋼紋線參考                        中心鋼絲直徑d.
  鋼絞線        公稱直徑          直徑允許                         每米鋼紋線
                                           截面積                         加大范圍/%
   結構        D/mm         偏差/mm                      參考質量/（S/m）
                                           S/mm,                        不小于

                       l
              9.50                          54.8           430
                       一    十0.30
                                                                   I

                            -0.15
              11.10                         74.2           582
                                                                   一

              12.70                         98.7           775
   1又7

                                            140           1101

              1155..7200 士00..4200          150           1178            2.5

              17.80                         191           1Soo

              12.70                         112            890

 {1丫7）C       15.20         -+00..4200      165           1295

              18.00                         223           1750