cut-off lens是什么意思

用法例句

New NC lens cutting machine design

新型数控镜片切割机的设计

In order to minimize the cutting force for rape stem of combine harvester cutting blades and reduce cutting loss,single factor and multi-factor experiments were carried out on the main influencing factors of cutting forces for rape stem using the self-made cutting test-bed.

为了减少油菜联合收割机割台切割力,降低油菜切割损失,该文针对切割油菜茎秆切割力的主要影响因素切割方式、茎秆切割位置、切割刀片形式和切割速度在自制切割试验台上进行了单因素和多因素切割力测试试验。