HYDRO BLOCK(煞车垫片防水防尘盖) 煞车垫片防水防尘盖(HYDRO BLOCK): OKUMA在煞车调整钮与线杯接触面，加上防水防尘盖设计，可以有效阻绝水分盐分的入侵，增加煞车华司及垫片的使用寿命。
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This paper describes plotting method and application of operational characteristics of unit-block for guiding operation of hydro-power stations.
本文介绍机组段运转特性曲线的绘制方法及其在水电站运行中的作用。
LECA lightweight grass paving block is useful for the grass or hydro seeding due to the grass can be alive in the slot and keep the soil slope stable.
陶粒植草砖可稳定斜坡泥土不会下滑，因砌块中空部份可使小草在内生长，起稳固作用。
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