Warning: file_put_contents(/www/wwwroot/zidian/oumou.cn/cache/d9dfed2474d943d822697ff5f351fcc8.txt): failed to open stream: No space left on device in /www/wwwroot/zidian/oumou.cn/index.php on line 58 butt-welded tube例句_butt-welded tube英汉例句_butt-welded tube双解例句_歐米惠必应词典
The round plates with arc shaped butt-welded joints were used for stopping sone tube holes which were moved away to another proper positions in the pipes. 採取有弧度的圓形鑲塊，以對接接頭的形式堵補部分琯孔，將其移位到琯道上的郃適位置。