... use of crushed stone ballast 使用碎石道渣 Ballast Stone 巴顿酒庄 algal ballast stone 锚状藻类岩 ...
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algal ballast stone 锚状藻类岩
stone ballast 碎石道碴 ; 石碴 ; 石压载
broken-stone ballast [铁路] 碎石道碴
stone ballast block 石渣砌块
use of crushed stone ballast 使用碎石道渣
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。
Even rock tools in use by heavy bump, not fresh out of stone ballast it up, but not as metal tools, as a result of deformation and destruction of accuracy.
在使用中岩石工具即使遭重物磕碰，至多掉几粒石碴而已，而不会像金属工具那样，因变形而破坏精度。
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