film perforating meaning in English

胶片打孔

Magnetic film perforated along one edge ; raw stock , material , outfit
16 mm单侧穿孔磁性胶片.第1部分:原料材料装备
Cinematography - 16 mm motion - picture film perforated 8 mm type r . cutting and perforating dimensions
电影技术.穿孔8mmr型的16mm电影胶片.剪切和穿孔尺寸
Film 16 mm , magnetic film perforated along one edge ; location of erasing , recording and reproducing heads for single and twin tracks
16mm单侧穿孔磁胶片.单双磁道录音用抹头录音磁头
1 . cinematography - magnetic stripes and magnetic recording head gaps for sound record on 16 mm motion - picture film perforated along one edge type 1 - positions and width dimensions
电影技术.单边穿孔16mm电影胶片录音用磁带和磁头缝隙
Cinematography - 8 mm film - sound - specification for recorded characteristics for magnetic sound record on 8 mm type s motion - picture prints and full - coat magnetic film perforated 8 mm type s
电影技术.第1部分: 8mm胶片.第4节:伴音.第6小节:打过排孔8mm s型孔的8mms型电影胶片和完全涂磁膜磁录音录制特性规范