单词	labour-saving investment
释义	labour-saving investment 节省劳力的投资
随便看	optical-fiber merit figure optical fiber methane gas sensor optical-fiber michelin interferometer optical fiber Michelson interferometer optical fiber micro-lens optical fiber monitor optical fiber multiplexer optical fiber MZ interferometer optical fiber M-Z interferometer Optical fiber network optical fiber network monitoring optical fiber network system optical fiber nonlinearities optical fiber nonlinearity optical fiber optics optical fiber optoelectronic coupler optical fiber over-coupled coupler optical fiber panel optical fiber passage optical fiber peg-top Optical fiber perform optical fiber periscope optical fiber phase conductor optical fiber pickoff coupler optical fiber pigtail