无锁的

JG-19 adopt exact numeric control, it can keep ten programme and you can rejigger it freely. Use double impulses can make sure the jointing fastness and good surface. Seven segment LED display all seal data. JG-19 uses double gas jar power, desk can litre and lower by stepless and use hand lock. The electrode can adjust in all the position, so worker can seal all kinds figure and measurement easily.

JG-19采用精确的数字控制，能预存10个程序，并可随意更改、调用；运用双脉冲可确保焊接牢固、焊点美观；7段LED显示各焊接参数，JG-19更采用双气缸动作，工作台无级升降手拧式锁紧，电极立体式调节，使操作者可以轻易地焊接各种形状、尺寸的材质。

Results BCC of this group were located in the anterior border of the sternocleidomastoid muscle in its upper 1/3 portion,near the level of the hyoid bone and outside the carotid sheath structures.8 cases were in the left side and 7 cases in the right side.

结果本组鳃裂囊肿均位于胸锁乳突肌上1/3的前缘，相当于舌骨平面，颈动脉鞘的外侧，左侧8例，右侧7例。注射造影剂后无强化现象。囊肿与周围结构界限清楚。囊肿邻近结构有不同程度受压移位。

It is also necessary to ensure that the deviation is within the rim of idler and drum, that there is no scoring on the rubber belt or forbidden friction, that all idlers are flexible in turning when coaling, and that interlocking parts and each emergency button are in good condition.

还应注意：启动和停止时，拉紧装置工作正常，胶带无打滑现象；胶带运行平稳，跑偏不应超出托辊和滚筒的边缘；不得刮伤胶带和不允许的磨擦现象存在；上煤时，全部托辊应转动灵活；联锁和各事故按钮应工作良好。

"No one can come in without official papers," staff shouted from behind padlocked steel gates.

那里的工作人原在紧锁着的铁门内向我们喊道&无官方批文任何人不得进入&。

Minqin oasis in the desert from the tail of sheep to eat alkali grass, fresh onions sand and are willing to Cynomorium, natural meat-rich health nutrition, their meat fresh taste without Shan, the local people since ancient times were good gifts as gifts to friends.

来自大漠绿洲的民勤大尾巴绵羊吃碱草、食沙葱、肯锁阳，天生肉质富含养生营养，因其肉质鲜嫩无膻味，自古以来就被当地人作为礼品来馈赠佳友。

Based on analysis to the principle of back-to-back converter for direct-driven variable speed constout frequency WECS,phase lock loop based sensorless control strategy was adopted to determine the speed and phase angle of PMSG,and its work principle and realization method are analyzed in detail.

在分析直驱型变速恒频风电系统背靠背变流器工作原理的基础上，采用锁相环无速度传感器控制策略对永磁同步发电机的速度和相位进行观测，对其工作原理和实现方法进行了分析。

The simulation and experimental results prove that the PLL based sensorless control can obtain accurate speed and phase angle information of PMSG,have fast response,good current control effect,and good steady-state and dynamic performances,may be used to substitute conventional encoder to control the PMSG,by further improvement especially at low speed,for direct-driven WECS.

仿真与实验结果表明，锁相环无速度传感器控制能够准确获取电机转速与角度信息，响应速度快、电流控制效果好，具有较好的稳态与动态性能，经过进一步优化，特别是提高低速段性能后，可以在直驱风电系统中替代常规编码器实现对永磁同步发电机的控制。

Products are non-locking covers, easy to open without car run over at the time of ear-piercing noise and rebound phenomenon.

产品属不带锁井盖，易于开启无汽车碾过时的刺耳噪音及反弹现象。

Antidandruff and Itch-relieving: Professional hair-caring components in the natural olive essence and plant essence can clean out the dandruff down-rightly and at the same time nourish your scalp, and make your hair charming and free from dandruff.

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Dip slightly with a soft cloth with water, the long silver-white panels and transmission lock disc纸灰accumulated foreign body, such as clean to ensure that the transmission access.

用软布略蘸清水，将银白色长条板及传输器锁盘上积存的纸灰等异物擦拭干净，以确保传输无阻。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。