Product appearance drawing model for wide application was set up after relevant filling roll products in the past ten years were studied.
在研究了近十年来纸粕辊产品外形结构的基础上，建立了适用范围广泛的产品外观图纸模型。
The properties, producing process of welding wire for roll overlaying and breakdown treatment in its drawing production are introduced.
介绍了轧辊堆焊使用焊丝的性能、生产工艺及焊丝在拉拔过程中的故障处理。
The conventional artist would now unpin the drawing from his board, take it into the hall and spray it with fixative, then roll it up and put it in a mailing tube.
传统画家这时要将图画从图板上取下，拿进大厅，喷定色剂。然后将它卷起来，放进邮寄用的纸筒。
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