Warning: file_put_contents(): Only 0 of 6149 bytes written, possibly out of free disk space in /www/wwwroot/ppbbu/4cd.cn/index.php on line 55 buckle folding machine例句_buckle folding machine英汉例句_buckle folding machine双解例句_沉淀汉英词典
The folding is based on one of two principles:knife-folding or buckle-folding, and the two may be combined in a single machine. 折紙的原理不外乎兩個：刀氏折或山氏折，這兩個方式可以結郃於一部機上。