螺杆采用合金钢材料经特殊工艺制成，使用寿命长；分段式组合螺杆，适用原料广泛，产品更多样。
Screw is made of alloy steel with long life. It is assembled by several units freely for more applied material and colorful products.
等我回国后会寄给你更多样的产品目录。
I'll send you a catalogue of our various products when I go back to China.
如果我们能善加利用我们的优势，如多样化的产品，全面的售后服务，我们的竞争就得到加强。那么我们可以从别人手里争取更多的市场，以及利润。
If we can make full use of our advantage, such as rich products, overall after service, we can be more competitive and win over more market share from our competitors and earn more profits.
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