... recirculated air 再循环空气 ; recirculated seal 循环式密封 recirculated medium 再循环介质 ...
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按照上述最佳配方生产的阀控密封式（VRLA）蓄电池在70%的放电深度下的循环寿命达到了612次。
The cycle life at 70% DOD of the VRLA battery made by the optimum paste formula is up to 612 cycles.
采用新型密封材料——艾志黑色CMS2000层状剪切式软填料对离心式循环水泵填料密封进行了技术改造。
New type sealing material CMS2000 packing layer shearing soft sealing material to technically improve the filler seal of centrifugal circulation water pumps.
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