1. Definition Safety grating tun jẹ ti perforated awo, ti pin si arinrin irin awo, irin alagbara, irin awo, galvanized awo ati be be lo.2. Ilana iṣelọpọ Ni ibamu si ohun elo, awọn ohun elo aise yipo 鈫 punching 鈫扅/span> atunse 鈫扅/span> packing 鈫扅/span> l ...
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