Usage: special equipment for coil two ends expanding and shaping after motor coil embedded.
用途：适用于电机嵌线后线圈两头的扩口整形的专用设备。
Once the catheter is in the heart, the cardiologist will pass a special device, called a coil or occluder, into the open PDA preventing blood from flowing through it.
一旦导管进入心脏，心脏病医生即可将一种特制的叫做堵闭器的装置送入导管内阻止血流经过。
Particularly noteworthy is the special design of the coil inside the heater, ensuring thermal expansion with low stress.
另一个值得注意的是此种特殊设计可以确保消除炉内膨胀应力。
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