The chain wheel is meshed with the roller chains.
所述链轮与滚子链条啮合。
English Name: roller chains - European type - Part 1: Simple -, double -, triple roller chains.
简体中文标题：滚子链。欧洲式。第1部分：单节、双节和三节滚子链(英文版)。
Frame is sectional steel design with two lateral safety grids. Supporting angles are fixed on bush roller chains.
采用型钢焊接的框架结构，两侧有安全护网，带支撑挂耳固定在链条上。
The bushes and bearing pins of the rubber O ring roller chains were characterized by stress fatigue wear and adhesion wear;
形圈链条中销轴和套筒的磨损主要以疲劳磨损为主，并伴随着粘着磨损；
The result of calculation shows that qualified roller chains for drilling rigs are competent for the job on chain-drive pumping units.
计算结果表明，质量合格的石油钻机传动滚子链能胜任链条抽油机的传动。
The result of calculation shows that qualified roller chains for drilling rigs are competent for the job on chain-drive pumping units.
计算结果表明，质量合格的石油钻机传动滚子链能胜任链条抽油机的传动。
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