motor driven double-slit collimator电机: any power-generating or powe ...驱动: drive; prime mover双: two; twin; both; dual缝: seam遮光: irising; dodging; diaphragma ...下载手机词典可随时随地查词查翻译关注微信公众号：chachacidian，回复:电机驱动双缝遮光器，即可在微信中查询翻译
