轮机与电机英语词汇翻译
扇形舵柄 quadrant tiller; rudder quadrant四级膨胀机 quadruple expansion engine四线螺纹 quadruple screw thread品质管制；品管 quality control品质评价 quality evaluation直角弯管 quarter bend; square bend直角曲柄 quarter crank绕性轴；通心轴 quill shaft语际翻译 版权所有
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