Shown a box moving in a stop-start way, babies show surprise.
当婴儿看到一个停停走走的箱子,他们会很惊讶;
Have him/her begin building the word by placing the first letter in the first box moving from left to right.
从首字母开始,将这些字母从左至右地安置到‘小盒子’中。
The design of double worm gear, differential gear trains, has been used as a typical design for years in the feed box moving bench of planomiller.
龙门铣床推动工作台的进给箱以往的典型设计是双蜗轮一差动轮系式。
应用推荐