膨胀比是内燃机做功冲程结束时气缸容积与做功冲程开始时气缸容积之比。

Warning: Undefined array key "ReferenceList" in /www/wwwroot/wosha.com/id.php on line 495

Warning: foreach() argument must be of type array|object, null given in /www/wwwroot/wosha.com/id.php on line 495