Warning: file_put_contents(): Only 0 of 5519 bytes written, possibly out of free disk space in /www/wwwroot/ppbbu/cp667.com/index.php on line 55 spring silkworm rearing season是什么意思，spring silkworm rearing season的翻译，spring silkworm rearing season音标、读音、用法和例句_淳朴汉英词典
Rearing silkworm twice in the spring season was a new trial which could save labour cost so as to suit for the present situation. 飼養二春蠶就是適應這一形勢需要而形成的省力化、經濟化養蠶新技術。