dock-trial propeller 系泊试验用推进器
In recent days, however, several recording results of a new twin-propeller ship gotten in sea trial indicated that the outside propeller's load is always heavier than the inside one.
但新近完成的某双桨船的回转试验的多个实测结果表明：外侧螺旋桨负荷远大于内侧螺旋桨负荷。
The trial test results of the first two ships with this propeller and the correlation analysis are also included.
还给出两艘该首制船的试航结果及相关分析。
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