gaskets for ships 中文意思是什麼
gaskets for ships
解釋
船用纖維密封圈-
Gaskets for heavy hinged doors on ships and for hatches
船上重型鉸鏈門和艙口用的密封墊片 -
Ventilation plants on ships - gaskets for round flanges according to din 82330
船舶上的通風設備.符合din 82330的圓形法蘭盤用密封
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