下列哪个部件提供高压燃油以控制IGV作动器和SCV作动器()
A.ECB;
B.FCU;
C.燃油总管。
参考答案:B
It is a fact that _________ differences between countries may cause misunderstandings in communication.
A.historical
B.cultural
C.personal
D.financial
啄癖的主要原因有哪些?如何防治?