排序
A Certain Tower Type Equipment With On-site Welding Belongs To The Second Category Of Medium-pressure Vessels Of Pressure Vessels. The Unit That Can Undertake The On-site Welding Should Have The License (). AD2 Level Manufacturing License (the Second Category Of Low And Medium Pressure Vessels) BD1 Level Manufacturing License (the First Category Of Pressure Vessels)
A certain tower type equipment with on-site welding belongs to the second category of medium-pressure vessels of pressure vessels. The unit that can undertake the on-site welding s...
重工業におけるイノベーション:グローバルな視点(世界のインフラと開発の礎としての重機製造業)
重工業イノベーション:グローバルな視点(重機製造は世界のインフラと発展の礎石である)I.はじめに:現代の重機産業を形成する力...





