Warning: file_put_contents(/www/wwwroot/zidian/03883.cn/cache/5aa1a4a4e3be49d53a564c970a7c79e5.txt): failed to open stream: No space left on device in /www/wwwroot/zidian/03883.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_指尖链有道词典
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