Warning: file_put_contents(/www/wwwroot/ppbbbu/n94.cn/cache/3b6192a42a0bd208b3ae8da24855e2ee.txt): failed to open stream: No space left on device in /www/wwwroot/ppbbbu/n94.cn/index.php on line 55 overhead-valve engine英英字典_overhead-valve engine剑桥英语解释_overhead-valve engine柯林斯英文解释_94生活常识网有道词典
1. N a type of internal-combustion engine in which the inlet and exhaust valves are in the cylinder head above the pistons 頂置氣門發動機 (US name valve-in-head engine)→compareside-valve engine