air-borne sealing是什么意思

用法例句

By calculating the radial displacement of the mobile column and the cylinder, the seal-compensation and seal-swelling principle of the hydraulic prop were analyzed.

介绍了柱塞悬浮式液压支柱的技术原理和结构特点;通过对支柱活柱筒体和油缸筒体径向位移量的计算,分析了液压支柱密封补偿和密封胀紧原理。