The advantages of the invention are: 1, a safetydisc is provided to prevent clothes dropping on the hot air outlet, so that the consumers can use the laundry drier securely;
优点是：1。设有安全盘，不使衣物下落到热 风口上，让消费者无顾虑的放心使用。
2
Objective. To assess the safety and efficacy of cervical disc arthroplasty using a new arthroplasty device at 24-months follow-up.
目的：通过24个月的随访，评估使用新型关节成形术设备的颈间盘成形术的安全性与有效性。
3
When brake disc wears enough to affect safety in operation or can 't adjust clearance, this is called failure.