键控穿孔(机)
Of equipment; without a motor and intended for hand operation("a manual keypunch";"a manual typewriter"). 对设备而言，指无马达和用手操作的设备（如人工键穿孔机、人工打字机）。
Of equipment; without a motor and intended for hand operation (“a manual keypunch”; “a manual typewriter”). 对设备而言,指无马达和用手操作的设备(如人工键穿孔机、人工打字机)。
World-Wide Keypunch Replacement Program 全球穿孔机更新计划
4.Shape: Rotundity and squareness, Can middle keypunch and come picture make to measure. 4.
6. Of equipment; without a motor and intended for hand operation("a manual keypunch";"a manual typewriter"). 对设备而言，指无马达和用手操作的设备（如人工键穿孔机、人工打字机）。收藏指正
numeric keypunch 数字键控穿孔
