这个基座应该具有适当的高度，使得泵吸入弯头与安装地面具有适当的间隙，并有足够的强度承受泵设备所产生的所有压力。
The base shall be of adequate height to provide suitable clearance between the pump suction elbow and the mounting floor and of sufficient strength to accept all forces imposed by the pump unit.
泵的吸入能力取决于泵的汽蚀余量和最大自吸高度。
The suction capability of the pump depends on the cavitation margin and the maximum self-suction height of the pump.
精油可以被定义为高度集中和多变的植物提取物，可用于外部或吸入，输液，以减轻各种苦难。
Essential oils can be defined as highly concentrated and volatile plant extracts, which can be used externally or inhaled as infusion, in order to relieve various afflictions.
进气道出口截面上未发现因附面层吸入而造成的低总压区，这说明高度与当地附面层厚度相当的进口鼓包能有效地隔除附面层中能量较低的气流；
The bump which is equal to the local boundary layer thickness in height can divert the boundary layer effectively. As a result, no obvious low total pressure zone is found at the outlet of the inlet;
进气道出口截面上未发现因附面层吸入而造成的低总压区，这说明高度与当地附面层厚度相当的进口鼓包能有效地隔除附面层中能量较低的气流；
The bump which is equal to the local boundary layer thickness in height can divert the boundary layer effectively. As a result, no obvious low total pressure zone is found at the outlet of the inlet;
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