Warning: file_put_contents(/www/wwwroot/ppbbu/4cd.cn/cache/f4a7715f2eccf558a8fdc6708d9cfd1b.txt): failed to open stream: No space left on device in /www/wwwroot/ppbbu/4cd.cn/index.php on line 55 spring silkworm rearing season例句_spring silkworm rearing season英汉例句_spring silkworm rearing season双解例句_沉淀汉英词典
Rearing silkworm twice in the spring season was a new trial which could save labour cost so as to suit for the present situation. 饲养二春蚕就是适应这一形势需要而形成的省力化、经济化养蚕新技术。