单词	pre-rectifying tower
释义	pre-rectifying tower 预精馏塔
随便看	mechanical accelerometer mechanical accessory mechanical accident mechanical accountant mechanical accounting mechanical accoutrement Mechanical accumulator mechanical accuracy mechanical acne mechanical acoustical coupling mechanical acoustic bridge mechanical acoustic impedance bridge mechanical action mechanical activating mechanical activation mechanical-activation mechanical activation-solid state reaction mechanical activator mechanical actuation mechanical actuator mechanical adder mechanical adhesion mechanical adjustable speed drive mechanical adjusting mechanical adjustment