胶水;
Vegetable Glue and Barite Powder Weighted Mud Applied in the Confined Water Thick Cover Formations
植物胶重晶石粉加重泥浆在有承压水厚覆盖地层中应用成效
Cooling water tank of glue yarn is circle well by the cooler.
胶纱线的冷水箱通过冷却器可良好地循环.
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