The surplus barite, bentonite and cement have to trans-fered to the supply boat.
反多余的重晶石, 粘土粉和水泥运到拖轮上.
This is the main reason for barite to increase the cement strength and reduce the weakening of late strength.
结果表明,重晶石对水化铝酸钙的晶型转变有抑制作用,这是重晶石提高铅酸盐水泥强度、减小强度倒退的主要原因。
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