石油管线防凝、解蜡和伴热保温。
Oil pipes freeze protcction, wax melting and thermal insulation.
高温高压合成超硬材料需要密封介质，叶蜡石是目前国内使用最普遍的密封、传压、保温、绝缘材料。
Pyrophyllite is the most common seal, pressure transfer and heat preservation, insulation material in domestic at present.
高温高压合成超硬材料需要密封介质，叶蜡石是目前国内使用最普遍的密封、传压、保温、绝缘材料。
Pyrophyllite is the most common seal, pressure transfer and heat preservation, insulation material in domestic at present.
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