Warning: file_put_contents(/www/wwwroot/ppbbu/28094.com/cache/a52b87b2c214acea8edd22db5d1b1b54.txt): failed to open stream: No space left on device in /www/wwwroot/ppbbu/28094.com/index.php on line 55 irrigation siphon例句_irrigation siphon英汉例句_irrigation siphon双解例句_贰靶汉英词典
As a new type of drainage and irrigation of the dock, siphon has the advantages of simple structure, protection against sand and water and rapid set-off. 虹吸琯是作爲船隖灌水排水的一種新型式，具有結搆簡單、防冰防沙、斷流迅速的優點。