纳波河河面宽阔，河水混浊，呈褐黄色，浮沫以及丛林里来的木段和树枝翻浮其上。
The Napo River itself is wide and brown, opaque, and smeared with floating foam and logs and branches from the jungle.
在翻制模具模块时，采用数控加工的泡沫模样代替传统的木模，大大缩短了模具的设计与制造周期，同时提高了模具的精确度，降低了成本。
Nc machining foam pattern has been used to replace wooden pattern with shorter periodicity of mold design and manufacture, increased precision and reduced cost.
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