We're very sorry to inform you that our UPS account has been suspended as a result of a client's refusal to pay for the freight collect and our new order will not be accepted by UPS until such a problem gets resovled.For this reason,we are wondering whether or not it is possible for us to mail the samples through DHLor any other express and it would be highly appreciated to let us know your account.
最新问答: 如图所示,灯泡L标有“6V 3W”字样,滑动变阻器的最大阻值为12Ω,当开关S1S2闭合,滑动变阻器滑片P滑到最右端时, 21. I had _____ soup and a sandwich for lunch. 在一密闭容器中充入NO2,在一定条件下进行反应,2NO2=2NO+O2,达到平衡状态的标志是? 许多金属盐都可以发生焰色反应的原因是什么? 英语中推迟的用法postpone,carry over,put off这三个用法有什么区别啊? he has got some rice for lunch改为一般疑问句,并做出肯定回答和否定 园和圆的位置关系问题过两圆x^2+y^2+D1x+E1y+F1=0和x^2+y^2+D2x+E2y+F2=0的交点的圆系 切线求导的含义 具体点 3q^O^ 舫尾老翁,椎髻芒鞋,邪立摇橹中的通假字是哪个? longman structural readers 英语翻译其中的“证明”是“attestaion”还是“confirmation" 还是“certification"? 这是我的身份证用英语怎么说 英语单词过去式后面一般加什么字母? into the tar Pit 字面意思是陷入焦油坑,是不是老外常用来形容陷入困境的意思 当摩擦力大于拉力时还能拉动吗? 大象多重用英语怎么说?3吨怎么说? 某地区从去年7月份起,在居民用电中推行“峰谷分时电价”.原电价为0.52元/度,现峰时段(8时-21时)电价为0.55元 如图,在三角形纸片(△ABC)中,∠A=90°,AB=3,BC=5,按图示方式进行折叠,使点B落在边AC上,记为点B′, X2+xy-2y2=40 x2-5xy+6y2=0 反证法证明下面的命题已知p是整数,p的平方是偶数,求证:p也是偶数