The results show that a high-pressure sizing has to be achieved through a multi-factor consideration.
结果表明，欲取得高压上浆的预期效果就必须多种因素综合考虑。
The extrusion molding process and main equipment for producing PE large diameter pipe with negative pressure sizing technology are studied.
对采用负压定径技术生产大管径聚乙烯管的挤出成型工艺及其主要设备进行了研究。
The relationship between percentage sizing and percentage cover in hi-pressure sizing process is analysed. It's suitable to use double sizing boxes if the percentage cover is about 70%.
分析高压上浆中上浆率与浆纱覆盖率的关系，指出覆盖率达到70 %使用双浆槽为宜；
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