New type sealing material CMS2000 packing layer shearing soft sealing material to technically improve the filler seal of centrifugal circulation water pumps.
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。
I was eager to teach the youngsters how to improve in this world, both technically and as a person.
我很希望能够教会这些年轻人如何在这世界上提升自己，无论是球技还是为人。
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