圆珠笔
在线英汉词典
ball pen
相关词语
- ball n.球,舞会,球状物vt.捏成...
- a ball of fortune 受命运摆布的人...
- ball race 滚珠座圈...
- ball-flower n.圆球饰...
- hair ball 毛团,毛粪石(胃肠内)...
- wool ball 羊毛团...
- keep one's eye on the ball 警惕...
- ball packing 球(状)填充物...
- ball float trap 浮球式冷凝水排除器...
- ball milling 球磨碾磨...
- game ball 决胜球,决胜分...
- food ball 植物粪石...
- radial ball bearing 径向滚珠轴承...
- ball-point n.圆珠笔...
- ball peeen hammer 球头锤...
- keep the ball rolling 使不中断...
- ball non-return valve 球形止回阀...
- ball pressure test 球压式试验;球压式硬度试验...
- ball-thrombus 球状血栓...
- ball-and-roller bearing 滚珠与滚子轴承,减磨轴承...