观测孔；视孔的英文

• inspection port

• 观测孔    aperture of sight; observati ...
• 视    look at
• 孔    hole; opening; aperture
• 探视孔, 窥测孔    spy-hole
• 观测孔    aperture of sight; o ervationwell; observation port; observation well; peep hole; peephole; spy hole
• 观测孔眼    observation perforation
• 罐底观测孔    manhead
• 窥孔，观测孔    peephole
• 窑头罩观测孔    firing hood viewport
• 视孔    eye hole; eye pit; eyehole; oylet; peehole; sight hole
• 测孔    metering orifice; samling hole; sampling port; sounding hole
• 监视孔,窥视孔    judas window
• 监视孔    besel; judas window; sightglass
• 检视孔    eye hole; i ection hole; inspection hole; peep hole; periscope hole; sight hole; sight stop
• 孔眼，视孔    oylet
• 窥视孔    diopter; eye hole; eyepiece; gloryhole; inspection hole; inspection window; loohole; peep eye; peep hole; peep sight; peepdoor; peephole; sight hole; sight port; sighthole; spyhole
• 潜视孔    periscope hole
• 视孔报    visier
• 视孔盖    wicket
• 视孔率    apparent porosity
• 觇视孔    peep circle
• 测孔规    feeler plug; hole gauge
• 测孔计    poroscope
• 检测孔    extra hole
• 窥测孔    spy hole