Warning: file_put_contents(/www/wwwroot/ppbbu/laei.cn/cache/93a80804cad0a9d81279b1ad4728c0f6.txt): failed to open stream: No space left on device in /www/wwwroot/ppbbu/laei.cn/index.php on line 58 differential temperature coefficient是什么意思，differential temperature coefficient的翻译，differential temperature coefficient音标、读音、用法和例句_按摩法牛津词典
Differential temperature drawing in deep sleeve parts can reduce coefficient and times of drawing, then cut down the cost. 用温差拉深工艺成形深筒形件能大幅度降低拉深系数，减少拉深次数，降低生产成本。