可选的项元数据。
Auto-adjust height of cutting gun and multiple torch clamp structure. Optional item: disassemble cutting table.
标配电动高度调节装置及万能割枪夹紧器。可选配拆装式切割工作台。
All elements of the ITEM element are optional, however, at least one title or description are needed to validate the element.
ITEM元素的全部元素都是可选的，然而，至少需要一个标题或描述来验证元素。
应用推荐