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- Abstract: This paper introduces cogged structure of PGC series double teeth roll crusher unreasonable structure puts forward improving ways. 文摘:介绍了PGC系列双齿辊破碎机齿辊结构不合理处，并提出改进措施。
- AUBEMA - Product Range - Roll Crushers - Four Roll Crusher AUBEMA-供货范围围-辊式破碎机-四辊破碎机
- The factory specializing in the production of various types of laboratory equipment, machinery equipment, E-breakers, double roll crusher, disc grinder, sealed sample grinder, and so on. 本厂专业生产各类化验仪器、机械仪器，有鄂式破碎机、双辊破碎机、圆盘粉碎机、密封式抽样粉碎机等等。
- Application:PG roll crusher is mainly used for the crushing of brittle mines and rocks of medium or lower rigidity like sinter,coke,slg,shale,lineston. 对辊破碎机适用于在水泥，化工，电力，冶金，建材，耐火材料等工业部门破碎中等硬度的物料，如石灰石，炉渣，焦碳，煤等物料的中碎，细碎作业。
- Strength Analysis of Tooth of Double Roll Crusher 双齿辊破碎机辊齿强度分析
- AUBEMA - Test Plant - Smooth Roll Crusher AUBEMA-测试中心-光辊破碎机
- high-tenacity double roll crusher 高强力双齿辊破碎机
- differential and grading toothed roll crusher 差动分级齿辊式破碎机
- Four students were absent at the class roll call. 班上点名时四个学生缺席。
- More on the hard and soft ore to China, is broken, especially for the crushing of ore and precious metal ore requirements of the mud at least, they used roll crusher more appropriate. 更可对中硬和软矿石进行中、细破碎，特别是对破碎含贵重金属的矿石而又要求矿石泥化最少时，往往采用辊式破碎机更为合适。
- Faults Analysis of Single Spike Roll Crusher and Modification 单辊破碎系统故障分析与改造
- Smooth Roll Crusher with mechanical vertical adjustment 带有机械垂直调节的光辊破碎机
- It is clear to all of us that two plus two is four. 二加二等于四对我们大家都很清楚。
- He wove four plots together into a novel. 他把四条情节编成一部小说。
- We have tea at four o'clock in the afternoon. 我们在下午四点钟喝茶。
- The Design and Evaluation for a Bi -toothed Roll Crusher 双齿辊破碎机的设计与评估
- The town boasts four swimming pools. 这座城镇以拥有四个游泳池而自豪。
- The simply analysis on toothed roll crusher and its application 浅析齿辊破碎机及应用
- Our football team won by four goals to nil. 我们的足球队以四比零取胜。
- He lay back and hit the ball for four. 他向后弯身击中球，得了4分。
