单词	cover tightness
释义	cover tightness 紧度
随便看	Optical Tracking Electronics optical tracking instrument optical tracking localizer optical tracking mount optical tracking satellite optical tracking system optical-tracking system optical tracking theodolite optical-track photocell optical track pitch optical train optical trangulation optical transceiver optical transceiver module optical transceiver modules optical transducer optical, transducer Optical transfer optical transfer characteristic optical transfer function optical transfer function instrument optical transfer function, OTF optical transfer functions optical transfer impedance Optical transfer matrix method