拧紧型真空快卸法兰 Vacuum technology screwed type quick release flange

 钢质无缝气瓶 Seamless steel gas cylinders

钢质焊接气瓶 Welded steel gas cylinders

 叉车 挂钩型货叉 术语 Fork lift trucks--Hook-on type fork arms--Vocabulary

平衡重式叉车 稳定性 基本试验 Counter balanced lift trucks--Stability--Basic tests

前移式和插腿式叉车 稳定性试验 Reach and straddle fork lift trucks--Stability tests