The leads from the model are most easily made of plastic tubing, which has little tendency to kink or leak and has good bending qualities.

  • 做为从模型引出的导管以塑料管为最方便,用塑料管不会纠结和漏气而且弯曲性能好。

  • 互联网摘选 2025-01-20 11:59:23

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