1)air-borne sealing,吸粉封补2)seal-compensation,密封补偿3)underwater patch up,水下封补4)internal seal balance,内封补偿5)skin patching,封塞补修6)seal repair,填封修补
英汉例句
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.
