今天大多数家庭都有洗衣机和甩干机, 去自助洗衣店(洗衣)是一件麻烦、没必要的事.Today most families a washing machine and dryer, making bothersome trips to the laundromat unnecessary.有几台洗衣机和甩干机坏了,需要修理.Several of these washers and dryers are out of order and ne...
至于制造天平的材料, 既可以用铝也可以用钢.As far as balance construction materials are concerned, both aluminum and steel may be used.低重心的设计, 提高了天平的稳定性.Design with low gravity center, the stability of the balance is improved.通过移动铅笔, 实际上你是在移...