基本解釋[經(jīng)濟(jì)學(xué)]廻轉(zhuǎn)式控制閥[機(jī)械工程]鏇轉(zhuǎn)定位閥詞組短語短語rotary y pilot valve 廻轉(zhuǎn)式控制閥rotary pilot valve更多詞組專業(yè)釋義經(jīng)濟(jì)學(xué)廻轉(zhuǎn)式控制閥機(jī)械工程鏇轉(zhuǎn)定位閥