问题是重量型方法建议您做的不过是提前完成大部分琐碎的设计任务。

The problem is that heavyweight approaches say you should do all but the most trivial design tasks up front.

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轻量型跑步者可以在400公里时换鞋，而重量型跑步者应该在300公里时考虑换鞋。

Smaller runners can get new running shoes at the upper end of the recommendation, while heavier runners should consider replacement shoes closer to the 300 mile mark.

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VU-HY-EC适合所有重量型规格产品，它有强有力的马达驱动机头，因此它能在高速下处理粗线径产品。

The machine is very strong and steady. It has a powerful DC motor for head drive, therefore it can handle thick wires at high speed.

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