keypunches

常见例句

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.;形状：圆形和方形，可中间打孔及来图定做。
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