观察孔 meaning in English
access hatch
access opening
disconnecting manhole
eye hole
eye sight
eye split
eyesight
inspection door
inspection hole
inspection window
observation door
observation hole
observation opening
observation port
observation window
observing aperture
peehole
peep door
peephole
porthole
sight glass
sight hole
sight tube
sight window
sightglass
sighthole
sighting hole
sighting slit
spy hole
view port=viewport
viewing port
viewing window
vision slit
window
Examples
- Circular sight glasses with case in main power connection
主动力连接中的有罩圆形观察孔 - Specification for inspection , access and entry openings for pressure vessels
压力容器检验孔观察孔和入口孔规范 - Circular sight glasses with case in metal to metal contact type flanged joint
金属与金属接触式法兰连接中的有罩圆形观察孔 - Straight pattern valves with flange socket in main power connection - part 3 : with rubber lining
主电源连接装置带法兰密封的流量观察孔玻璃阀门.第3 - Look through the hole on tang xiao - shan s head to observe her image inside the windows . please find
透过唐小山头部的观察孔观看她在镜窗内的影像，请寻找下列镜中人：