单词	直接作用发动机
释义	直接作用发动机 direct-acting engine
随便看	marine service instruments marine service instruments and implements marine service motor Marine Services Engineering Office marine service station Marine Service Vessel marine sessile organism marine sewage disposal technology marine sewage treatment plant marine sewage treatment system Marine sewage treatment system specification Marines Expeditionary Force marine sextant marine shaft marine shafting marine shafting system marine shear bulk marine shelf marine shell dermatitis marine shellfish Marine shellfishes marine shells bite marine ship borer marine shipping Marine Shipping Industry