And on both sides of the Atlantic the rising cost of the stealthy F-35 Joint Strike Fighter means its order book could shrink sharply.
而在大西洋东西两岸，具备隐形机能的F -35联合战斗攻击机因为成本不断上涨，其订单数目亦可能出现大幅下滑。
Porous concrete will shrink, so it is necessary to deal with its shrinkage character firstly when studying the problems of joint location and reflection crack of porous concrete base.
由于多孔混凝土存在收缩现象，为研究多孔混凝土基层路面的接缝设置及反射裂缝问题，必须首先研究多孔混凝土的收缩特性。
Porous concrete will shrink, so it is necessary to deal with its shrinkage character firstly when studying the problems of joint location and reflection crack of porous concrete base.
由于多孔混凝土存在收缩现象，为研究多孔混凝土基层路面的接缝设置及反射裂缝问题，必须首先研究多孔混凝土的收缩特性。
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