outreach of boat davit [船] 吊艇架跨距
boat davit [船] 吊艇架 ; 吊艇杆
swing boat davit 旋转式艇架
gravity-type boat davit 重力式吊艇架
luffing type boat davit 摇倒式艇架
loading capacity of boat davit [船] 吊艇架额定负荷
Rescue boat davit (life raft davit) to be done static (dynamic) loading test.
救助艇架(救生筏吊架)静(动)负荷试验。
Decks under machinery, bollards, boat davit and other heavy concentrated loads to be reinforced by carling or welded doubler where necessary as approved by Class.
机械装臵、带缆桩、艇吊和其它重型负载集中区域下方的甲板应采用短纵桁或复板进行加强，具体应经过船级社认可。
Inspection the structure and loading test of the lifeboat (Rescue boat) davit.
救生（助）艇吊架结构和压重试验。
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