单词	火棉胶丝
释义	火棉胶丝Chardonnet silk
随便看	optical sight optical sight cage knob optical sight servo amplifier optical-sight viewfinder optical sign optical signal optical signal detection optical signal detection noise optical signal processing optical signal to noise ratio optical signal-to-noise ratio optical simulation optical single-sideband modulation optical single sideband signal optical slant range optical smokemeter optical snow depthmeter optical society of america optical society of america--osa optical society of america，osa optical solar reflector optical solar reflector (osr) optical soliton optical soliton communication optical soliton fiber transmission