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。
The electrical conductivity of Beijing dolomite and limestone has been studied by means of a high pressure apparatus of solid medium piston cylinder type.
这个测试仪器由一个模仿人肺的圆筒和一个靠移动来推动吸气、呼气的活塞组成。通过这样的人造肺吸烟来完成测试。
The testing device consists of a cylinder imitating human lungs and a piston moving inside to simulate inhalation and exhalation. Smoke in the artificial lungs underwent chemical tests.
实质上活塞是一个在气缸中上下移动的圆筒状的塞子。
The piston is essentially a cylindrical plug that moves up and down in the engine cylinder.
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