单词	存在之久
释义	同Diuturnity
随便看	portable compressor portable computer portable computer systems portable conductivity meter portable control unit portable control unit(teach pendant) portable conveyer portable conveyor portable counter portable--counter portable crane portable crushing plant portable cup anemometer portable cylinder boring machine portable data acquisition system portable data-acquisition system portable data acquisition system--podas portable data-acquisition system (podas) portable data acquisition system，podas portable data medium portable data terminal portable debugger portable deck portable derrick portable device indicator