压力管道铺设时,铺设承插式管节时,承插口朝来水方向。
正确
暂无解析
Hesaidthathe____(feed)upwithcollegeinstructorswhotriedtoteachhimtousethe“scientific
虽然我浑身酸痛,可是不干活儿不行呀!()
Weweretoldthatthestonefigure_______backtothe16thcenturywasofgreatvalue.
Theoldcouplehavebeenmarriedfor40yearsandneveronce_______witheachother.
TheIndo-EuropeanlanguagefamilyismadeupofthelanguagesofthefollowingEXCEPT______.