关于后张预应力混凝土梁模板拆除的说法,正确的有()。
ACE
后张预应力混凝土结构或构件模板的拆除,侧模应在预应力张拉前拆除,其混凝土强度达到侧模拆除条件即可。进行预应力张拉,必须在混凝土强度达到设计规定值时进行,底模必须在预应力张拉完毕方能拆除。
Jameshasjustarrived,butIdidn’tknowhe________untilyesterday.
翻译:WeadvisedyouinourletterofDec.1,thatwewouldliketoplaceatrialorderwithyoufor50piecesFlyingPigeonBicycles.
IntheGrammar-TranslationMethod,understandingandmemorizationof_____________wereregardedasimportantmeansofdevelopingmentality.