pump-out valve

基本解釋

Experimental research on the stability of thermostatic expansion valve(TEV)in the system of small-sized air source heat pump water heater(ASHPWH)was carried out in this paper.
本文對熱力膨脹閥在空氣源熱泵熱水器的穩(wěn)定特性進(jìn)行了實驗研究。
Based on the failure analysis of the fracturing pump valve chamber , a model for calculating its reliability under three-dimensional stress is established, and a computing program is worked out.
基于壓裂泵閥箱的失效分析，建立了在三向應(yīng)力作用下計算閥箱可靠性的模型，設(shè)計了計算程序。