
Steel, Carbon, Hot-rolled Or Forged (blooms, Billets, & Slabs For Reforging)
出版:US Military Specs/Standards/Handbooks

专家解读视频
Steel, Carbon, Hot-rolled Or Forged (blooms, Billets, & Slabs For Reforging)
出版:US Military Specs/Standards/Handbooks
专家解读视频