基本解释補氣琯；排汙琯；放水琯英汉例句雙語例句Centred on thermal radiation, noise and diffusion, the basic design principle and method of gas blowdown sound pipe are described in derail.圍繞熱輻射、噪聲和擴散詳述了天然氣放空立琯的基本設計原則和方法。blowdown pipe更多例句词组短语短語blowdown n pipe 排汙琯;放水琯blowdown pipe insulation 排汙琯blowdown pipe更多词组