词汇	overlap type hatch cover
释义	overlap type hatch cover 🌏层叠型舱口盖
随便看	optical thin film optical thin-film optical thin film deposition optical thin film element optical thin film monitor optical thin films optical thin-films optical thin plasma optical thread tool microscope Optical three-dimensional sensing optical three-dimensional sensor optical threshold Optical threshold function optical throughput optical tiber channel Optical tiber temperature sensor optical tilt mirror optical time delay reflectometer optical time-division multiplex optical time division multiplexing Optical Time Division Multiplexing Systems optical time domain optical time-domain Optical time domain backscattering technology optical time domain feflectomertry