Made of the high quality material, durable in use.
采用优质工程材料制造，经久耐用。
The main characteristic of this product is high technique and durable in use.
该厂产品的主要特点是工艺精湛，经久耐用。
Alloy steel gear, hard tooth surface, large in output torque and durable in use.
齿轮材料为合金钢，硬齿面，输出转矩大，可靠耐用。
Alloy steel gear, hard tooth surface, large in output torque and durable in use.
齿轮材料为合金钢，硬齿面，输出转矩大，可靠耐用。
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