Warning: file_put_contents(): Only 0 of 6042 bytes written, possibly out of free disk space in /home/www/wwwroot/zidian/201990.com/index.php on line 55 crotalism例句_crotalism英汉例句_crotalism双解例句_耀久九英英词典
On the basic study of the pigment and filler function,the paper made use of the existing condition to prepare the crotal temperature-lowering coatings. 在对颜填料性能研究的基础上,利用实验室现有条件配制了有一定降温效果的红棕色降温涂料。