longitudinal differential protection 纵联差动保护 mattress protection 埽褥护岸,柴排护岸 nonpermissive distance protection 不允许距离保护(闭锁式的) ..
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Can also be coated with plating and PVC (polyvinyl chloride), PVC gabion revetment mattress and can be used as toe protection.
也可以涂镀和PVC(聚氯乙烯)、PVC石笼护岸垫，可以用作保护脚趾。
Geotextile mattress has become a necessary material for bed protection during deepwater channel regulation engineering of the Yangtze Estuary regulation project instead of rubble bed protection.
用软体排护底替代柴排抛石护底在长江口整治中已成为深水航道治理工程中不可替代的材料。
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