铸钢皮带轮，壁厚不匀，热节点多，补缩通道狭窄，很难用设置冒口的方法给予补缩。
Cast steel pulley with wall unevenness, many hot pitch points and narrow feeding channel is difficult to be fed by setting up a head.
简介了长输管道异型管件及补口防腐的两种方法，即高膜厚PU防腐涂料刷涂法和火焰塑料喷涂方法。
This paper briefly introduced two methods for anticorrosion of special piece and repaired mouth of long transportation pipeline, i. e , flame plastic spraying and high-build PU anticorrosive paint.
原料磨衬板壁厚相差大，需要大冒口补缩。
Original material milling's linear board needs feeding in large scale riser because there are many differences in thickness.
原料磨衬板壁厚相差大，需要大冒口补缩。
Original material milling's linear board needs feeding in large scale riser because there are many differences in thickness.
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