还有铁制造的，铁很轻易被酸大面积腐蚀，从而把涂层掀起。
Still iron is made, iron is accumulated very easily to corrode by acerbity bedding face, lift coating thereby.
且测量膜片与介质大面积接触，不易堵塞，便于清洗，进一步发挥了陶瓷传感器抗腐蚀性能好的技术特点和较经济的优势。
Large and medium diaphragm and measuring contact, jam, easy cleaning, further play a ceramic sensors, corrosion resistance and good technical characteristics of economic advantages.
在岩巷施工中对有化学腐蚀性的含水围岩段，大面积淋水或局部涌水处理无效地段，适于采用石材支护。
In the rock roadway construction, the chemical corrosion water-bearing surrounding rock roadway, large area from spilled water or the ineffective partial pouring water part, adapt to stone support.
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