The reason for the division of Class E and Class A airspace stems from the type of planes operating in them.
E 类和 A 类空域的划分取决于在这两类空域飞行的飞机类型。
2
The reliability of main bearing and connecting rod large end bearing for 12V240ZJ diesel engine whose power has been increased up to the Etype grade was analyzed.
对12V240ZJ型柴油机进一步强化后，主轴承和连杆大端轴承的可靠性进行了分析计算。
3
And we never got to see a true replacement for the E-Type.