Processing technology manufacturers, should choose to have experience and reliable manufacturer's product is very important.
加工技术各厂家各异，应选择有经验而可靠厂家的制品是很重要的。
2
The quality of this product is veryreliable.
这件产品的质量非常可靠。
3
This paper presents an automatic generation algorithm on product hierarchy structure in BOM, which is based on database technique. The algorithm is very concise, stable, and reliable.