BOPP的意义是单向拉伸聚丙烯
BOPP的意义是单向拉伸聚丙烯
【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
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
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
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
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
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
()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
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