词汇	hollow anchor block
释义	hollow anchor block 空腔式锚块
随便看	direct-reading asymmetrical beam direct reading balance direct-reading balance direct reading bridge direct-reading bridge direct reading calculator direct-reading calculator direct-reading capacitance meter direct reading compass direct-reading compass Direct-reading concentration method direct reading current meter direct-reading current meter direct reading dial direct reading direction finder direct-reading direction finder direct reading distortion meter direct reading dosimeter direct-reading dosimeter direct reading emission spectrograph direct reading emission spectrometer direct reading encoder direct reading exposure meter direct reading ferrograph direct-reading ferrograph