1)gland seal system,轴封系统;压盖密封系统(泵、阀)2)gland-sealing system,压盖密封系统3)sealing system in axles,轴密封系统4)gland steam system,压盖汽封系统，轴封蒸汽系统5)capping system,封盖系统6)canopy seal system,座舱盖密封系统
用法例句
The main contents of the paper include: the selection of landfill, the materials for liner and their selection, capping system and its drainage and gas vent facilities, etc.
