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    ˹ᘴ̚ |(zh)P84/w/PTFE أ800g/m2 ȣ2.5mm ͸ʣ200-300L/m2/s я(N/5*20cm)(jng)3260 3300 Lȣ%(jng)򣺡10 򣺡15 ضȣ棩Bm(x)260 ˲r300 ̎ʽPTFEn

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