open sight是什么意思_open sight的用法_翻译_读音

- 缺口表尺
英英释义
Noun:

rear gunsight having an open notch instead of a peephole or telescope
临近单词

open pit open open system interconnection reference model open solar absorption refrigerating machine open-loop man-machine transfer function Open Education Needs Open-minded Teachers Open tubular capillary electrochromatography Open Systems Interconnection Reference Model open-source software-development process open-circuit underwater breathing apparatus Open dislocation of metatarsophalangeal joint Open Union Information Technology Corporation