One of the differences between a two-stroke engine and a four-stroke engine is,（）
1、One of the main differences between th
One of the main differences between the various types of screw pumps is in the （）.Astuffing box diameterBdirection of rotation of the screwsCpitch of the screwsDtype of driving gear
2、The difference between the starboard a
The difference between the starboard and port drafts caused by shifting a weight transversely is（）.AlistBheelCtrimDflotatio
3、The difference between a class A and a
The difference between a class A and a class B EPIRB is that the class A EPIRB（）.Aoperates on both military and civilian aircraft distress ...
4、The difference between international a
The difference between international and national Navtex Service is limited to（）.Afrequency allocatedBboth language and frequencyClanguage usedDtransmission power and time
5、The difference between the starboard a
The difference between the starboard and port drafts caused by a transverse shift in weight is （）.AlistBheelCtrimDflotatio
6、One of the differences between a two-s
One of the differences between a two-stroke engine and a four-stroke engine is,（）Aa two-stroke engine works without exhaust operationBa two-stro...