国家建设部一度下文限制使用膨胀珍珠岩作为内保温浆料。
The national construction ministry once below limit the use of expansive pearlite as insulation slurry.
结果IPS行于颅底内面的岩下窦沟内，即由斜坡和颞骨岩部组成的岩斜裂内，形状不规则。
Result IPS courses in the sulcus for inferior petrosal sinus, that was, on the intracranial surface of the petroclival fissure which was made up of the clivus and the petrous pyramid.
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