单词	rotary boring
释义	rotary boring 旋转钻探
随便看	silicon tetraacetate silicon tetrabromide silicon tetrabutyl silicon tetrachloride silicon tetraethyl silicon tetrafluoride silicon tetrahalogen silicon tetrahydride silicon tetraiodide silicon tetramethyl silicon tetraphenyl silicon tetrapropyl silicon thin film silicon thiocyanate silicon thyratron silicon thyristor silicon tip silicon transistor silicon transistor logic circuit silicon triboride silicon triiodide monochloride silicon triode silicon unidirection switch silicon unijunction transistor silicon unilateral switch gcbj gccd gcdd gcdh gcdm gcdr gcdx gcfj gcfs gcgh 第三者第二第二世界第二代领导人第二信号系统第二半国际第二命题第二国际第二声第二宇宙速度