端接机

Independent research and development company products include: fiber optic test instruments (power meter, light source, optical multimeter), video and audio Optical, fiber optic transceiver, PDH Optical Multiplexer, Protocol Converter, fiber optic network to monitor the alarm system (Master Station Software , rack light source, optical power monitoring alarm rack Miriam), optical fiber protection equipment, etc. At the same time, agents have imported products: NOYES, FOD optical test instruments, OTDR, Optical Fiber Fusion Splicer, etc..

公司自主研发生产的产品包括：光纤测试仪表（光功率计、光源、光万用表）、视音频光端机、光纤收发器、PDH光端机、协议转换器、光纤网监测告警系统（主站软件、机架光源、机架光功率监测告警仪）、光纤保护设备等，同时代理的进口产品有：NOYES、FOD光测试仪表，OTDR、光纤熔接机等。

Pumps installed in the rolling bearing for the motor, bearings should be removed outside the cover, and then release the fastening screw cover and base shell and cover the seams to do a good job marking (both before and after the end of tag should not be covered the same), will cover the unloading of the fastening screw screwed into the expertise of the Motor Cover Screw in the two settings will be the top cover.

水泵中对于装有滚动轴承的电机，应先拆下轴承外盖，再松开端盖的紧固螺钉，并在端盖与机座外壳的接缝处做好标记（前后两个端盖的标记不应相同），将卸下的紧固端盖的螺钉拧入电机端盖上专门设置的两个螺孔中，将端盖顶出。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。