例句與造句

1. It is made of a yielding rubber or similar springing material .
   它是由一種柔軟的橡皮或類似的彈性材料做成的。
2. Products materials spring materials spring usual spring
   產(chǎn)品介紹物料材質(zhì)彈簧材質(zhì)
3. Standard test method for bending fatigue testing for copper - alloy spring materials
   銅合金彈簧材料彎曲疲勞試驗的標(biāo)準(zhǔn)試驗方法
4. It's difficult to find spring material in a sentence. 用spring material造句挺難的