供应:阿拉善盟MCGILL
HM813849/10 HM813810 HM813849 HM218248/10 HM218248 HM218210 31314 31308 30312 30214 A4138D A4059 94800/98789D 9380 90016 64700D 71451D 71450 39580 39520 30208M 30205XL 31308 6580 6535 6580/35 3877 3820 3877/20 HP16010 ER-12 ER12 JP16049 417520 28523/28520-20024 46790/46720 JM207PP-PR JM207PPPRJM714249 JM714210 SMN114K SN107K GN211KRRB+P座 GN111KRRB+T18802 170RU51R3 YAS-40 DODGE轴承 P4B-S2-115R (070361) DODGE轴承 P4B-S2-200R (070362) DODGE轴承 P4B-S2-203R (070363) DODGE轴承 P4B-S2-207R (070365) DODGE轴承 P4B-S2-211R (070367) DODGE轴承 P4B-S2-215R (070368) DODGE轴承 P4B-S2-300R (070369) DODGE轴承 P4B-S2-307R (070371) DODGE轴承 P4B-S2-315R (070373) DODGE轴承 P4B-S2-407R (070375) DODGE轴承 P4B-S2-415R (070377) DODGE轴承 P4B-S2-115RE (070379) DODGE轴承 P4B-S2-200RE (070380) DODGE轴承 P4B-S2-203RE (070381) DODGE轴承 P4B-S2-207RE (070383) DODGE轴承 P4B-S2-211RE (070385) DODGE轴承 P4B-S2-215RE (070386) DODGE轴承 P4B-S2-300RE (070387) DODGE轴承 P4B-S2-307RE (070389) DODGE轴承 P4B-S2-315RE (070391) DODGE轴承 P4B-S2-407RE(070393) DODGE轴承 P4B-S2-415RE (070395) DODGE轴承 P4B-S2-115L (070397) DODGE轴承 P4B-S2-200L (070398) DODGE轴承 P4B-S2-203L (070399) DODGE轴承 P4B-S2-207L (070401) DODGE轴承 P4B-S2-211L (070403) DODGE轴承 P4B-S2-215L (070404) DODGE轴承 P4B-S2-300L (070405) DODGE轴承 P4B-S2-307L (070407) DODGE轴承 P4B-S2-315L (070409) DODGE轴承 P4B-S2-407L (070411) DODGE轴承 P4B-S2-415L (070413) DODGE轴承 P4B-S2-115LE (070415) DODGE轴承 P4B-S2-200LE (070416) DODGE轴承 P4B-S2-203LE (070417) DODGE轴承 P4B-S2-207LE (070419) DODGE轴承 P4B-S2-211LE (070421) DODGE轴承 P4B-S2-215LE (070422) DODGE轴承 P4B-S2-300LE (070423) DODGE轴承 P4B-S2-307LE (070425) DODGE轴承 P4B-S2-315LE (070427) DODGE轴承 P4B-S2-407LE(070429) DODGE轴承 P4B-S2-415LE (070431)
DODGE轴承 EP4B-S2-207R (070433) DODGE
轴承EP4B-S2-211R (070434) DODGE轴承 EP4B-S2-215R(070435) DODGE轴承 EP4B-S2-300R (070436) DODGE轴承 EP4B-S2-307R (070437) DODGE轴承
EP4B-S2-315R (070438)
供应:阿拉善盟MCGILL不同温度环境下使用钢卷尺时，应线膨胀公式将测量值换算成2℃的值。3m钢卷尺，在温度为35℃环境中使用，它的线膨胀值L以下式计算:L=La(t-to)=3×13×11.5×1ˉ6(35-2)=5.18(mm)式中L—钢卷尺标称长度，mm；a—线胀系数，11.5×1ˉ6℃-1；t—测量时温度(35℃)；to—标准温度(2℃)；如果此尺修正值为-1.8mm，那么3m的实际值应为3+5.18-1.8=33.38mm。
