frl

stainless steel frl line-filters, regulators and lubricators.

不锈钢FRL线-过滤器，稳压器和润滑剂。

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while optical fiber raman laser ( rfl) can be a good pump of fra. the coupling coefficient between frl and the transmission fiber is very small, so the pump and the amplifier can be compatible easily.

而光纤拉曼激光器（RFL）又作为FRA的泵浦源，它与光纤的耦合损耗小，可以实现泵浦与放大的良好兼容。

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the level of fracture abundance interpreted from logging data was changed into frl to calibrate the information of fracture abundance in well and seismic data.

把测井解释的储层缝洞发育级别转换为级别密度，可增强井、地震裂缝发育信息的贴近度。

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check the pressure-gauge on the frl air input unit (filter pressure reducer lubricator), which should remain within a range of 6 to 8 bar.

查看FRL（滤波减压器润滑剂）空气输入设备上的压力计，应该维持在6~8个大气压之内。

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