oiltight joint[机] 油密接头;油密接合
oiltight pitch油密节距;油密心距
Oiltight Baffle油封挡板
oiltight hatchcover油密舱口盖;油密船舱盖装置
oiltight test油密试验
oiltight floor油密肋板
oiltight hatch油密舱口
oiltight bulkhead油密舱壁;不渗油舱壁