The difference between action mechanism of hole-bottom priming and hole-mouth priming was stated. The field tests for hole-bottom priming were done.
对孔底起爆和孔口起爆的作用机理作了对比分析，并对孔底起爆技术进行了现场爆破试验。
CLZ Series Marine vertical self-priming centrifugal pumps are used at cabin bottom to cool water and fight fire.
CLZ系列船用立式自吸离心泵适用于船舶载泵、舱底泵、冷却泵、消防泵及总用泵等。
Preliminary data from this study indicates that removal of the bottom four leaves eliminates priming grades and the removal of the bottom eight leaves eliminates priming and lug grades.
该研究的初步数据表明，去除底部4片叶消除脚叶等级，去除底部8片叶消除脚叶和下部叶等级。
Additional research was conducted to evaluate removing either the bottom four or eight leaves as a way to reduce production of priming grades (Table 8-3).
为了评估除去底部4或8片叶以减少脚n -卜等级的方法，进行了另外的研究(表8 - 3)。
Additional research was conducted to evaluate removing either the bottom four or eight leaves as a way to reduce production of priming grades (Table 8-3).
为了评估除去底部4或8片叶以减少脚n -卜等级的方法，进行了另外的研究(表8 - 3)。
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