“sighting system”的概念、定义、翻译、参考文献-科学参考

单词	sighting system
释义	sighting system [`sīd·iŋ ´sis·tǝm] ^ORDNANCE A mechanical or optical device for aiming a firearm or for laying a gun in position.
随便看	tube-still heater tube stock tube tester tube turbining tube voltage drop tube voltmeter Tubicola tubing tubing hanger tubing head tubing-head adapter flange tubing pump tubing safety valve Tubulanidae tubular capacitor tubular exchanger tubular gland tubule Tubulidentata tubulin tubuloacinous gland tubuloalveolar gland Tucana tuck-and-pat pointing tuck joint pointing

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