挤出级PA11/7380MAC阿科玛PA11法国阿科玛7380MACPA11法国阿科玛7492PA11法国阿科玛BESNBLKP212CTLPA11法国阿科玛BESNG9TLPA11法国阿科玛BESNNOIRP110TLPA11法国阿科玛BESNP20BKPA11法国阿科玛BESNP20NOIRTL应用编辑①具有质量轻、耐腐蚀、不易疲劳开裂、密封性好、阻力小等特点，用来制作汽车输油管、刹车管。②P