Service speed at CSR, at Heavy ballast (navigation) draft, with 15% sea margin.
在重压载航行吃水时，考虑15%的海况裕度，在CSR转速时的服务航速。
Fill double ballast tanks before loading heavy lifts.
在装载重件前压载水舱打压载水。
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。
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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