hard metal的用法和樣例：
例句
- "A-bomb, H-bomb and nuclear-powered submarine"
兩彈一艇 - Changzhou City Boli Tools Co.,Ltd is engaged in manufacture solid carbide cutting tools for metal working.
常州市博力刀具有限公司是生產硬質合金微型刀具和金屬加工用整體硬質合金刀具的專業化生產製造商。 - Production technique of high force, good performance, and high quality isomers horniness metal products.
高強度，高性能，高品質的異性硬質合金製品的生產技術。
