With petrolatum prevents the entrance and migration of water and provides corrosion protection.
With petrolatum prevents the entrance and migration of water and provides corrosion protection.
在缆芯中和缆芯包带表面用石油膏填充和浇注处理，以防止水分侵入，并起防腐作用。
With petrolatum prevents the entrance and migration of water and provides corrosion protection.
在缆芯中和缆芯包带表面用石油膏填充和浇注处理，以防止水分侵入，并起防腐作用。