PU trunking board PU线槽板
board pu
板聚氨酯
以上为机器翻译结果，长、整句建议使用 人工翻译 。
After rolls over the hoop surface cleanliness has to the Pu board surface and zinc plate coating seriously affects not good.
轧后带钢表面清洁度对普板表面及锌板镀层均有严重不良影响。
youdao
Xinhua said the boat, the Qiong Yang Pu F8139, had set sail for China late on Sunday with all its crew on board.
BBC: Japan frees crew of 'illegal' Chinese fishing boat
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