steel base

• 金属基

steel base的用法和样例：

例句

1. Heavy wires can be welded singly to metal base parts.
   粗线能单独和金属基体部件焊接在一块。
2. Nonmetallic materials are those materials such as woods, plastics, rubbers, epoxy resins, ceramics and diamonds that do not have a metallic base.
   非金属材料是指如木头，塑料，橡胶，环氧树脂，陶瓷及金刚石等那些不含有金属基材的材料。