lh cover是什么意思

用法例句

Taking the left and right side plate as an example,the forming technic was analyaed,according the product requirement, 4 dies were designed and manufactured, satisfied custom requirement.

以左、右侧板为例,分析了制件成形工艺,根据产品要求,设计和制作了4副模具,满足客户要求。