Warning: file_put_contents(/www/wwwroot/zidian/oumou.cn/cache/7880f9b0d0e2229453c775aebec6b4a8.txt): failed to open stream: No space left on device in /www/wwwroot/zidian/oumou.cn/index.php on line 58 sleeve valve英英字典_sleeve valve剑桥英语解释_sleeve valve柯林斯英文解释_欧米惠必应词典
1. N (in an internal-combustion engine) a valve in the form of a thin steel sleeve fitted between the cylinder and piston and having a reciprocating and rotary oscillation movement (内燃引擎的)套阀