Apertures are provided through the rear seal adjacent the strut attachment point to provide drainage for any water trapped within the sternseal.
孔通过提供后方印章旁附着点的支撑，为严厉印章内被困任何排水。
2
This paper presents the principle of stern stuffing seal, analyses the reason of water-leaking and provides in detail the technique of fitting operation on divided bronze liner of stern shaft.
文章介绍了艉轴填料函密封的基本原理，分析了漏水的原因，提出了艉轴铜套分段红装修理的具体操作方法。
3
The shape of the Simplex stern tube seal ring is so complicated that its characters can not be analysed by ordinary methods.