【单选题】柴油机在运行中一旦发生连杆螺栓断裂则可能导致______损坏 I.活塞、连杆;II.缸套;III.机架;IV.曲轴
【单选题】我们所从事的是一项很重要的事业 。
A.
What we engage in is an important enterprise.
B.
What we are engag ing in is an important enterprise.
C.
What we are engaged in is an important enterprise.
【单选题】柴油机在运行中一旦发生连杆螺栓断裂则可能导致()损坏。Ⅰ.活塞、连杆;Ⅱ.缸套;Ⅲ.机架;Ⅳ.曲轴。
【单选题】柴油机在运行中一旦发生连杆螺栓断裂则可能导致______损坏。
【单选题】柴油机在运行中一旦发生连杆螺栓断裂则可能导致( )损坏。1活塞、连杆;2缸套;3机架;4曲轴。
【单选题】我们所从事的是一项很重要的事业。
A.
What we are engaged in is an important enterprise.
B.
What we are engaged of is an important enterprise.
C.
What we are engaged at is an important enterprise.