main index的用法和樣例:
例句
- One of the main products is zinc alloy for diecasting.
其主產品之一是壓鑄鋅合金。
- The welding machine's main stress parts adopt cast steel, which has characteristic of handiness and durability.
焊機主要受力部件采用了鑄鋼件,具有輕便耐用的特點。
以上內容獨家創作,受著作權保護,侵權必究
东京不太热图片