恒压刷握大多采用()装置。
参考答案:涡卷弹簧压力
Although the United States cherishes the tradition that it is a nation of small towns and wide open spaces, only one in eight Americans now lives on a farm.
A.cheers for
B.tends lovingly
C.misses
D.remembers
检查发动机点火波形发现其点火线均偏低,造成此现象的最大可能原因是()。
A.分火头与分火盖触点间的间隙过大
B.高压点火线电阻达23KΩ
C.火花塞间隙均偏大
D.火花塞积炭较多