废料从凸凹模和下底座中所开的槽中排出。
Waste from the punch and die and the base under which opened the tank discharges.
虽经改进，在胎具上开空槽、增设导向模等，仍不能有效克服纬线张力造成的迟滞效应。
The effect of slow moving resulted by tension force can also not effectively overcome, though the utility model is improved, comprising opening a dead slot on the mould and adding a direct die.
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