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1·Woven products: PET network, nylon network management, expansion sleeve, green network, round picture tube fiber optic cable woven wire, copper braid shielded cable, and professional Weaving process.

编织产品：PET网管、尼龙网管、扩充套管、环保网管、圆型彩管、光纤电缆编织线，铜编织网管以及专业屏蔽网线编织加工。

2·The fit clearance between spool and sleeve decreases because of the thermal expansion of the spool caused by temperature increment, so it is possible that spool is deadlocked in sleeve.

油温升高使阀心受热膨胀，阀套与阀心间的配合间隙减小， 阀心有可能被卡死在阀套里。

3·The structure of sleeve expansion joints and the calculation of key parameters are introduced.

介绍了套筒补偿器的结构及关键参数的计算。