Ȧ2.99
г¼Ǿͷдf=2.9mm12ʲô˼
г¼Ǿͷдf=2.9mmʲô˼𡱣f=2.99mmǹȦֵΪ2.99mm˼г¼ǾͷҲйȦfʾ...
ÿ̶ȳһ1.0mı˿,Ȧij2.99cm...
˿ÿȦܳ100/24Ȧ=4.167 ˿Ȧİ뾶R=4.167/(2)=0.663 ˿뾶r=2.99/24=...
ȯȯʽ2.99%,ζʲô...
ζźͿͻճɷȣһͻͻȯ̾ͿΪͻʩõijƱʱ
2.99ʲô?8.8ڵķ,ƨ
Ī ijŮ͵˰ 2.99 ڡôĿķ2ǰ Ů 8.8 ķΪ...
֣ˬ2.99,Ѱ涨ȫ,һ90...
827磬һذϢȦ㷺֣ˬ2.99ڡ֣ˬϢһֱ...
... 2.99 Ԫ,ЩϢֵùע?
ȦҲDZȽϡԡˣܾг̣Ҳ̫֡Ϊܾ...
һ40˿Բ,Ȧ7.1,Բ̵...
ֱ3
2021Ȧ,Ƿױ,...
3嫣ߣΪշӡ켣Ȧһֱ²˺õĻᣬ...
...7179 , 2.99 Ԫ?ܻЩӰ?
ֻ˵йǵDzе̫ˣݹٷͨʾǰϺ˰ֵһѲ֣ˬ...
ȦĴһһô˰...
1901.9.72021.8.27첻˵ϣ˵˵й120ı仯ȦӰǰľ...