基本解釋[物理學(xué)]伸縮式閥英漢例句雙語(yǔ)例句The invention relates to a pneumatic gate valve for welding type high-temperature resistant bellows, in particular to a pneumatic gate valve.一種氣動(dòng)的焊接式耐高溫波紋管閘閥，涉及一種氣動(dòng)的閘 閥。ip.comThe invention relates to a hydraulic drive gate valve for welding type high-temperature resistant bellows, in particular to a hydraulic drive gate valve.一種液壓傳動(dòng)的焊接式耐高溫波紋管閘閥，涉及一種液壓傳 動(dòng)的閘閥。ip.combellows-type valve更多例句專業(yè)釋義物理學(xué)伸縮式閥