added metal的用法和样例：
例句
- However, for attaching nonpressure parts to pressure parts, the filler metal chemistry shall match the nominal chemistry of the pressure part.
但将非受压元件焊接受压元件时所用的填充金属，应与受压元件的标称化学组成相配。
added metal的相关资料：
临近单词
added way
added
Added an additional caravan route.
Added version option to phpconfig.
Added faint highlights and shadows.
Added note regarding adding fields.
added viscous resistance to breathing
Added new fashion website hyperlink.
added or imposed without integration.
Added information about status icons.
Added Game Object Properties Appendix.
Added content about supported providers.
