... ballast bilgewater treatment system 压载舱油污水处理系统 ballast block 压载块 ballast blown out 压载水排尽 ...
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stone ballast block 石渣砌块
After all, there came an experimental study on modification of wall filled with stone ballast block.
经过近两年的研究，石渣砌块改性初见成效。
The design concept, weight calculation and the method of installation of the ballast block are described and introduced.
本文介绍了压块基本概念、压块设计和压装等几个问题。
Inspection air pressure test(with water head) for No1. water ballast tank(No15 block).
No1压载水舱（No.15分段）气压试验（压头试验）检查。
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