Warning: file_put_contents(/www/wwwroot/ppbbu/4cd.cn/cache/201ccd4b800196180c614bf91c21f167.txt): failed to open stream: No space left on device in /www/wwwroot/ppbbu/4cd.cn/index.php on line 55 differential temperature coefficient例句_differential temperature coefficient英汉例句_differential temperature coefficient双解例句_沉淀汉英词典
Differential temperature drawing in deep sleeve parts can reduce coefficient and times of drawing, then cut down the cost. 用溫差拉深工藝成形深筒形件能大幅度降低拉深系數，減少拉深次數，降低生産成本。