基本解釋[機(jī)械工程]抽空閥英漢例句雙語例句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(shí)驗(yàn)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(jì)算閥箱可靠性的模型，設(shè)計(jì)了計(jì)算程序。pump-out valve更多例句專業(yè)釋義機(jī)械工程抽空閥