求翻译：根据任务要求中的设计内容，需要设计铣上下端面夹具。本夹具主要用来粗、半精铣上下面并达到表面粗造度1.6的要求。此工序夹具工序靠前在本道工序加工时，还是应考虑提高劳动生产率，降低劳动强度。同时应保证加工尺寸精度和表面质量。是什么意思？

According to the mission requirements in the design, the design milling up and down the face fixture. This fixture is mainly used thick, semi-precision milling on the following and reach the surface roughness requirements of 1.6. This process fixture process forward in the processing of this process

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According to the mission requirement in design content, needs to design about the mill the end surface jig.This jig mainly uses for thick, half fine mill upper and lower surface and meets the superficial thick making 1.6 requirements.Front this working procedure jig working procedure depends on when

According to mission requirements in the design of content, to design face up or down milling fixture. This fixture is mainly used on crude, half precision milling and meet the requirement of surface roughness of 1.6 below. This process before the clamp operation by this procedure when processing, o