9.This paper mainly discusses subjects such asprocessing,technology of pole coil wind ing,forming,manufacturing lead,punching,dove-tail groove,insulating,heat pr essing,encircling slot,etc.
13.It is vibrating caulking forming by good quality binder.Good thermal conductivity,high compressive resistance,high anti-heat shocking ,unattackable,abrasion resistance,long service life.
18.According to the origin,sand dust weather in Qingdao region is classified as outlandish drifting type,inlandish forming type and outlandish drifting-inlandish strengthening type.
19.Argiope has the typical circular vertical web, with some broad white zig-zag stitching forming a stabilimentum on which the spiders rests, head down.