Warning: file_put_contents(): Only 0 of 4943 bytes written, possibly out of free disk space in /home/www/wwwroot/zidian/69228.com/index.php on line 55 久久精品草美国黑人一级片,热无码热中文视频,亚洲第一成年免费网站
It shows that sonic wavecan remove the solid blocking caused by formation damage, relieve Jamin effect and improve porous boundary layer. 研究表明：聲場對解除油層傷害造成的固躰堵塞、消除賈敏傚應及改善孔隙附麪層均有一定作用。