Warning: file_put_contents(): Only 0 of 6174 bytes written, possibly out of free disk space in /www/wwwroot/ppbbbu/oiqp.com/index.php on line 55 penetrant例句_penetrant英汉例句_penetrant双解例句_奇葩剧汉英词典
Which of the following characteristics are normally considerde when selecting the type of penetrant to be used in a penetrant test? 滲透試騐中，選擇滲透劑時通常要考慮下列哪些特性？