壁孔 meaning in English
cinclides; aperture
Examples
- Propeller fans exhaust air through holes in the wall .
螺旋式通风机从壁孔中排出空气。 - Figurations and symbols on the arrangement plans of ships - bulkheads , doors , windows and openings on wall , hatches and hatch covers
舱壁门窗及舱壁孔舱口及舱口盖 - Figurations and symbols on the arrangement plans of ships - bulkheads , doors , windows and openings on wall , hatches and hatch covers
船舶布置图图形符号舱壁,门,窗及舱壁孔,舱口及舱口盖