The electrical conductivity of Beijing dolomite and limestone has been studied by means of a high pressure apparatus of solid medium piston cylinder type.
利用固体介质活塞圆筒式高压容器测量白云岩与石灰岩的电导率。
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Main structured items are: JDQM full face mask, air supply valve, pressure regulator valve, backboard, pressure gauge, alarming whistle, mediumpressure tube, carbon fiber composite cylinder, etc.