常見例句The signal was two beats on the steam pipe.信號是在蒸汽管道上打兩拍。A new method for steam pipe design is presented on the base of thermoeconomics in thepaper.根據(jù)熱經(jīng)濟學的原理，提出了稠油熱采蒸汽管道總體設計的方法。 返回 steam line