游艇专业英语词汇
双极开关 double-pole switch加力板,加强板,二重板 doubler加力板,加强板,二重板 doubling plate (or doubler)和面器 dough mixer鸠尾 dovetail鸠尾接合 dovetail joint鸠尾接合 dovetail joint鸠尾榫眼 dovetail mortise鸠尾[形]板 dovetail plate鸠尾榫舌 dovetail tongue深海作业艇 DOWB (= deep ocean work boat)定位销,合钉,双尖钉 dowel定位销,合钉 dowel pin销合 doweling降水管(锅炉) down cast (or comer)进排气通风筒 down cast and up-take ventilator降流管集箱,降流管头箱 down cast header降流管集箱,降流管头箱 down cast header进气通风筒 down cast ventilator进气通风筒 down cast ventilator下向焊[接] down hand welding下坡焊[接] down hill direction welding下行冲程 down stroke下行冲程 down stroke下溜 down wash 
