Distance piece 隔圈 ; 隔片 ; 定距块
adjustable distance piece 可调定距块
bearing distance piece 轴承间隔块
indicator distance piece 指示器隔片
tens jumper distance piece 十位跳杆隔片
date cam distance piece 日历凸轮隔片
screw shaft distance piece 开闭轴隔套
water pump spindle distance piece 水泵轴隔套
base distance piece 底版隔铁
The chairs were equal distance away from the board and each of them would have a piece of chalk.
两人都坐在离黑板同样距离的椅子上。
To manipulate the display, users pick up a piece of wireless electronic "chalk" that can work either in contact with the surface or from a distance.
为了管理显示，用户选择一片能够在接触表面或者隔一段距离使用的无线电子“粉笔”。
From a distance, these building blocks look very similar, so every piece of DNA you look at has the same overall shape—the famous Watson-Crick Double Helix.
从远处看，这些基本成分看上去极为相似，因此 DNA 的每一部分的基本形状都是相同的 — 著名的沃森克里克双螺旋结构。
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