关于给水系统的布置形式.正确的论述是()。
A
暂无解析
翻译:WeadvisedyouinourletterofDec.1,thatwewouldliketoplaceatrialorderwithyoufor50piecesFlyingPigeonBicycles.
Thisisourbestprice,____whichwehaveconcludedmanyorderswithotherbuyersinyourcity.()
Thenewspaperwillhavetoclosedownifitcannotincreaseits________considerably.