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1·The bottom of screen board is set with hole core, lifting hole and positioning hook. The hole core and screens board can form a whole.

下部设有孔芯，吊耳、定位钩、孔芯均与卡位板铸成一个整体。

2·The utility model is a novel bedpan lifting device applied to the ward bed with a defecation hole.

本实用新型是一种应用在带有方便孔的病床上的便盆升降装置。

3·The utility model relates to a bedpan lifting device which is applied to a hospital bed with a relief hole.

本实用新型是一种应用在带有方便孔的病床上的便盆升降装置。

4·The bedpan is close to the relief hole by lifting the lifting component, which is convenient for patients to use. Holding the bedpan manually is not needed.

通过升降件的升降，使便盆接近方便孔，方便病人的使用，无须人工用手托便盆。

5·The air-in via hole is provided with a lifting post which can seal the air-in via hole;

该进气通孔上设有可封住该进气通孔的升降柱；

6·Factors affect gas lift options: the yield of the well bottom-hole pressure, fluid production index, lifting height and the gas injection pressure.

影响气举方式选择的因素有：井的产率、井底压力、产液指数、举升高度及注气压力等。