��ã��ӭ��Ӧ�� [��¼] [��ע��]

�Ϻ��ֹ��̲��ϿƼ��޹�˾

𐀴𐀵𐀶-𐀷𐀴𐀸𐀹-𐀺𐀺𐀵𐀺

𐀴𐀵𐀶-𐀷𐀴𐀸𐀹-𐀺𐀺𐀵𐀺 »

�ϴ�ʱ�䣺2022-07-15 ϲ��

�Ƽ��Ʒ

00:13

pvc�ʿǣ��⻤��ɾ��࣬��װ��

00:38

��˹��߶˱��ϵ�в�Ʒ

00:21

��˹pvdf�ྻ��¿ǣ��ྻ��ר�� ʿ��⻤

00:12

PVC�� PVC�⻤ upvc��ɫ��⻤ �ʿ�ʹ�ð��

00:22

��˹��ʿ� pvc��ɫ��⻤��Ԥ�Ƴ�� װ��

00:20

��˹��ʿ� pvc�ܵ��⻤ ��ֱ��

00:26

��ྻpvdf�ྻ��¿�

00:54

�߾�ʵ��ҡ��Ͽɿ��˹

00:26

��˹��ʿ� ��װ��ݣ��ø��ౣ�¹��

00:20

��˹��ʿ� Ʒ��***

00:19

��֣��й��߶˱��ϵ�в�Ʒ***��ҵ

00:21

��ҵ***��˹��ʿ�

01:03

pvc�ʿǣ�pvc��⻤��ɾ��࣬��װ��

00:21

pvdf��¿ǣ��ྻ��ྻ��ר��

00:31

pvdf��¿�

01:00

PVC�⻤��PVDF��¿ǣ�һվʽ��

00:31

��˹ PVC��ǣ�PVDF��¿ǣ�Ч��

pvc�ʿǣ��⻤��ɾ��࣬��װ��

�鿴��Ʒ�� ȡ��ͱ��

�ο��۸���8.00

��Ӧ��> ��Ӧ��Ƶ> pvc�ʿǣ��⻤��ɾ��࣬��װ��

��Ƶ��

����˹PVC��������⻤ϵͳ��һ���������ᡢ��ࡢ�ͺ��͸�ʴ����ȼ�־����ø��Լ۱ȡ��ò�ƷΪ���Ȳ�����ṩ��װ��ݡ�����***���������м��õĿ��������������ߡ�***���͸�ʴ�Ϳ�˺��ǿ�ȣ�������ȼ���ϣ���Ӧ�ڸ��ֹܵ����豸�ı��¡�����ϵ�е���㱣��