"As lungs get progressively worse, the ability of the body to compensate goes down and the heart can't pump strongly enough," says Norman Edelman of the American lung Association.
“当肺部日益恶化时，机体代偿能力下降，心脏泵血机能不够强”，美国肺协的诺曼·艾得曼说。
Since many American states are forced, by law, to run balanced budgets they cut spending or raise taxes in a downturn—the opposite of Keynesian pump-priming.
出于法律限制，许多州为实现预算平衡，被迫在下降周期中削减支出增出或增加税收，此举与凯恩斯主张的刺激型政策背道而驰。
Nor does he care about the average American working-stiff who gets cardiac-arrest every time he pulls up to the gas pump.
他也不会理会普通美国辛苦的上班族,每次把车开到加油站都会得心绞痛.
Hydraulic pump and vibrating motor are of the 90 series made by the American manufacturer SAUER.
液压泵和振动马达选用美国SAUER公司90系列产品。
Fluorine plastic is one of the world's most outstanding corrosion resistant materials, American Standard VTP type selection of the materials for the production of fluorine pipeline pump.
氟塑料是当今世界最优秀的耐腐蚀材料，美国威盾选用该材料生产的VTP型衬氟管道泵。 配合国内优秀水力模型和采用IS型离心泵之性能参数，在一般立式泵的基础上进行巧妙组合设计而成。
Fluorine plastic is one of the world's most outstanding corrosion resistant materials, American Standard VTP type selection of the materials for the production of fluorine pipeline pump.
氟塑料是当今世界最优秀的耐腐蚀材料，美国威盾选用该材料生产的VTP型衬氟管道泵。 配合国内优秀水力模型和采用IS型离心泵之性能参数，在一般立式泵的基础上进行巧妙组合设计而成。
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