20230125a2022    k  y0engy50      ba <br/><br/>
 - Title screen 
<br/><br/><label>Subjects--Corporate Names: </label><br/>электронный ресурс<br/>труды учёных ТПУ<br/>powered roof support<br/>hydraulic leg<br/>hydraulic system<br/>work automation<br/>tests under real conditions