If you can write, work hard and be efficient, it's about seven or eight points. If you don't work hard or don't know how to describe it at all, it's hard to say that you can submit two or three papers a month.
I think doing this requires some basic understanding of technology. In addition to understanding what is said in the technical disclosure book, if you can understand it yourself, the implied information can be used to enrich the instructions. Sometimes the case may be interviewed directly, and you need to know what you need to know. Sometimes you need to understand the function of each component in the structure and analyze the advantages and disadvantages. This different person may be very different. Knowing the plan, the rest is the problem of description A simple case may be finished in a few words, and a complex structure is to patiently express the structure sentence by sentence. Drawing drawings also requires knowing some basic drawing skills. Although customers usually give drawings, they often need to make some modifications to the given drawings.