推还是拉数据?
Pushing or pulling, however, does not necessarily mean doing work.
然而,推或拉未必意味着做功。
In case there are no forces at all pushing or pushing or pulling a body, that body must always be in equilibrium.
如果根本没有力去推或拉一物体,则那个物体必然总是处于平衡。
Pulling this lever or pushing the button would actually rotate the paper enough so that you'd be on a new line and it would also move the little imprinting head that prints the letters of the alphabet and such all the way to the left.
拉杆或按下按钮会让纸翻一下,这样你就能在新的一行上打字了,同时移动打印字母的,压印头,这样也能移到最左边。
应用推荐