hook tooth造句

例句与造句

1. The hook tooth with a positive rake angle can be used for all kinds of steel , especially for long - chip and hard - to - cut materials , for example construction steel and hardened steel , as well as high alloy materials
   带有正前角的钩形齿能用于所有种类的钢材，尤其适用于长片和难以锯切的材料，例如结构钢、粹火钢以及高合金材料。
2. It's difficult to find hook tooth in a sentence. 用hook tooth造句挺难的