• 2021-04-14 问题

    BOPP的意义是单向拉伸聚丙烯

    BOPP的意义是单向拉伸聚丙烯

  • 2021-04-14 问题

    【单选题】保鲜包装又称为() A. 拉伸包装 B. 收缩包装 C. BOPP包装 D. 热缩包装

    【单选题】保鲜包装又称为() A. 拉伸包装 B. 收缩包装 C. BOPP包装 D. 热缩包装

  • 2022-06-05 问题

    下列树脂中,具有良好阻气性能的树脂包括( )。 A: BOPP B: PA C: PVA D: PEN

    下列树脂中,具有良好阻气性能的树脂包括( )。 A: BOPP B: PA C: PVA D: PEN

  • 2022-06-04 问题

    The discovery of Indo-European language family began with the work of the British scholar(). A: Jacob Grimm B: Rasmus Rask C: Franz Bopp D: Sir William Jone

    The discovery of Indo-European language family began with the work of the British scholar(). A: Jacob Grimm B: Rasmus Rask C: Franz Bopp D: Sir William Jone

  • 2022-06-04 问题

    The discovery of Indo-European language family began with the work of the British scholar(). A: AJacob Grimm B: BRasmus Rask C: CFranz Bopp D: DSir William Jones

    The discovery of Indo-European language family began with the work of the British scholar(). A: AJacob Grimm B: BRasmus Rask C: CFranz Bopp D: DSir William Jones

  • 2022-06-06 问题

    在所有塑料薄膜中,()的抗张强度最大,故印刷时需要较大的张力。 A: BOPP B: BOPET C: BOPA D: KPET

    在所有塑料薄膜中,()的抗张强度最大,故印刷时需要较大的张力。 A: BOPP B: BOPET C: BOPA D: KPET

  • 2022-06-14 问题

    聚丙烯薄膜有两种制造方法() A: 流延聚丙烯(CPP) B: 双向拉伸聚丙烯(BOPP) C: 缩聚反应 D: 化学前处理 E: 聚合反应

    聚丙烯薄膜有两种制造方法() A: 流延聚丙烯(CPP) B: 双向拉伸聚丙烯(BOPP) C: 缩聚反应 D: 化学前处理 E: 聚合反应

  • 2022-05-31 问题

    ()粘结形式是吸引式粘结。 A: PVC与玻璃 B: PVA与薄膜 C: PVC与纸复合 D: BOPP与PET膜复合

    ()粘结形式是吸引式粘结。 A: PVC与玻璃 B: PVA与薄膜 C: PVC与纸复合 D: BOPP与PET膜复合

  • 2022-06-07 问题

    The discovery of Indo-European began with the work of ______, who delivered an important paper in 1786, in which he suggested that Sanskrit bore a stronger affinity to Greek and Latin. A: the British scholar Sir William Jones B: the German linguist Franz Bopp C: the Danish scholar Rasmus Rask D: the German scholar Jacob Grimm

    The discovery of Indo-European began with the work of ______, who delivered an important paper in 1786, in which he suggested that Sanskrit bore a stronger affinity to Greek and Latin. A: the British scholar Sir William Jones B: the German linguist Franz Bopp C: the Danish scholar Rasmus Rask D: the German scholar Jacob Grimm

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