什么叫混凝土和砌石建筑物的扬压力？
混凝土和砌石建筑物的扬压力是指建筑物处于尾水位以下部分所受的浮力和在上下游水位差作用下，水从基底及岩石裂缝中自上游向下游所产生的向上的渗透压力的合力。
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Thenewspaperwillhavetoclosedownifitcannotincreaseits________considerably.
Byjointeffortswecan___bothfriendshipandbusiness.()
Motivationandpersonalitymay________thevaryingdegreesofsuccessinone’scareer.
Somelinguiststhoughtthatalllanguages______andwereruledbyacommongrammar.
Thereisalwaysareadymarket____SewingMachines,providedtheyare___goodqualityandcompetitiveinprice.
