成人青色先锋网站,亚洲影音,在线观看日AV色,中文字幕精品久久久久人妻红杏1

  “錦繡”牌防酸堿面料，適合制作長期接觸酸液或堿液的作業人員穿用的防護服。用該面料制作的防護服，具有耐酸滲透時間長、耐酸壓高且浸酸強力下降率低等良好的防酸性能。對從業人員有很好的保護功能，該面料性能符合GB12012-89防酸工作服要求。

Anti-acid & alkali fabric is suitable for workers who often contact acid and alkaline. The work clothing made of this fabric has the penetrate of acid for a long time, high resistance of acid, high resistance of acid pressure, low strength lose while soaked in acid, so that it can provide excellent protection to the workers. This fabric meets the requirement of National Standard GB 12012-89.