滤光片夹 filter holder

光弹性夹片法 [力] photoelastic sandwich Method ; photoelastic sandwich

两面磨光夹丝玻璃 saferite

抛光夹 polished clamp

光夹底织袜机 split foot knitter ; Split-foot hosiery machine

光夹底短袜 split foot socks

抛光夹丝玻璃 polished wired glass

夹层光漫射玻璃 laminated light-diffusing glass

光纤夹持器 fiber holder

光镊夹 optical tweezer