常見(jiàn)例句

雙語(yǔ)例句

• Relation among feeding roving gauge, twist factor and yarn property were researched, property of polyacrylonitrile preliminary heat treatment in oxidizing polyester filament core-spun yarn was tested.
  研究了喂入粗紗間距、捻系數(shù)與成紗性能的關(guān)系，測(cè)試分析了聚丙烯腈預(yù)氧化纖維滌綸長(zhǎng)絲包芯紗的性能。
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