pump造句

• The explosion-proof housing, sample feed pump are installed in a freestanding sheet-steel cabinet .
  防爆箱、试样进料泵都装在独立的钢板箱内。
• His eyes were friendly behind thick-lensed glasses as he pumped his son-in-law' hand .
  当他使劲握着女婿的手时，那副厚厚的眼镜后面的两眼显得很热情。
• Over pumping of ground-waters produces a difference in hydrostatic head in favor of the seawater .
  过量抽取地下水时，产生利于海水的流体静力学水位差。
• When ejectors are used for pumping this air, attention must be given to minimizing thrust losses .
  当采用引射器来抽引冷却空气时，必须注意减少推力损失。
• A metering pump regulates the amount of lead to the pour lead with no excess lead return to the pot .
  计量泵控制着输给浇注头的铅量，没有过量的铅返回铅锅。