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ߣ  ݽʯԭ  2023-4-21

ѯɫЩʽģΪڽҵñȽϾãΪԲɫ˽⡣ͲɫĿǰԷֺö͵ģɶĺʹҷôݽڵIJͬʽǰղɫʲͬɫͣ

1 ֽʵIJɫ

ĿǰϵIJɫֽҪԲɫֽΪɫҪصɫޣ˺ѣҿд֡Ƚ϶ûô˿ɫڱʶãΪȽϺ˺ֲɫܵһЩҵɫֽΪֽĽӡˢͬͼͼʾ

ֽʵIJɫ

2 PVCʵIJɫ

ֲʵIJɫҪԭΪPVCPVCʵصеԡԵԡôǴڵʽΪPVCɫ磺ɫĵ繤ԼʾȡĿǰЩPVC繤ɫɫʶԺɫɫɫľӶࡣͼʾΪPVCʵIJɫ

PVCʵIJɫ

3 ϲʵIJɫ

ϲʵIJɫǻϳƺΪOPPɫĿǰΪӡɫֽҪصǿ԰տͻĶҪ󡣾ðװҪװֽ;Ʒɹ㣬ʹò࣬ԱѡƷҪͼ

ϲʵIJɫ

Щɫҹ˾󣬿ϵҹ˾ӭûϵɹˡҹ˾ṩͬʽIJɫ


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