制造商遇到的一个问题是重量较轻的汽车往往噪音大。
A problem for manufacturers is that lighter cars tend to be noisy.
同样尺寸的船只，若使用固定龙骨，重量会更大（只在用拖车拖船时才算是个问题）
The boat is heavier for its size (usually an issue only when trailering)
问题一：你无法举起更多的重量
这是个重量级的承诺，所以事先就问一下这个问题是非常重要的，“我真的非得要做这样的承诺吗？”
That might be a huge commitment so it's important to ask yourself beforehand, "Do I really want it enough to make that kind of commitment?"
尺磅也有这样的问题——这是功的单位不是重量的。
Foot-pound has the same problem — that's a unit of work, not of weight.
每个类的方法的重量度量帮助解决这个问题。
The Weighted Method Per Class metrics helps address this issue.
制造商们遇到一个问题就是，重量较轻的汽车往往噪音大。
A problem for manufacturers is that lighter cars a be noisy.
价格问题请具体咨询，因为不同的重量段走不同的快递会有不一样的价格！
The question of price please advice in detail, because of different weight period take different express will have a different price!
塑料部件则比较理想的解决这些问题，它重量轻而且有自润滑作用。
Plastic is an ideal solution for these components because it is light and self-lubricating.
塑料部件则比较理想的解决这些问题，它重量轻而且有自润滑作用。
Plastic is an ideal solution for these components because it is light and self-lubricating.
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