seizureofvessel
船只扣押
selectpassengers
“拣客”
selectivecallingcode
选择呼叫编码
selectivecallingencoder
选择呼叫编码器
SelectiveTrafficEnforcementPolicySTEP
灵活执行交通法例政策
selectorvalve
选择活门
self-activatinglight
自明灯
self-activatingsmokesignal
自发烟雾信号
self-closingvalve
自动关闭活门
self-containedbreathingapparatus
独立式呼吸器
self-helpluggagetrolley
自助行李手推车
self-ignitinglight
自亮灯；自燃信号灯
self-launchingsailplane
自行起飞的滑翔机
self-propelledvessel
自行推动的船只
self-sealingdisconnect
自封接头
self-sustainingspeed
自持速率
semaphore
臂板信号
semaphorearmdirectionindicator | 