?模线,型线    molded line

?缘饰,造模翻砂,塑模    molding (or moulding)

?造模机,塑造机    molding machine

?蒸汽线图    Mollier diagram (or chart)

?熔态金属    molten metal

?熔[化]池(焊接)    molten pool

熔渣    molten slag

?力矩    moment

?抗艉骤降力矩(下水)    moment against tipping

?面积矩    moment of area

?力偶矩    moment of couple

?力矩    moment of force

?惯性矩    moment of inertia

?动量矩    moment of momentum

?每公分俯仰差力矩    moment to change trim on cm (MTC)

?每吋俯仰差力矩    moment to change trim on inch (MTI)

?动量    momentum

?动量理论    momentum theory

?动量厚度    momentum thickness

?蒙钠护面钢    monel clad steel

?蒙纳护面钢    Monel clad steel

?蒙纳合金(镍铜合金)    Monel metal

?监视器,探测器    monitor

?短艏艛    monkey forecastle

?短[低]艏艛    monkey forecastle

?活动扳手    monkey spanner

?活动板钳    monkey wrench

?活动扳钳    monkey wrench

?单轨吊车    mono rail hoist

?整体铸件    monoblock casting

?硬壳[结构]    monocoque

?单[胴]体船    mono-hull

?单体结构船    monolithic ship

?顶桅轻帆    moonsail (or moonraker)

?系泊船    mooring

?系泊试    mooring (or dock, or basin) trial

?系留锚,碇泊锚    mooring anchor

?系泊锚,碇泊锚    mooring anchor

?系泊布置    mooring arrangement

?系缆柱    mooring bitt

?系船桩    mooring bitt

?系泊浮筒    mooring buoy