Cracks in Marine main engine or auxiliary engine body may lead to scrap of the machine or serious accident, which is a badly hidden trouble for safety of a vessel.
船舶主辅机机体裂纹的延伸会导致机器报废或发生严重机损事故，这对船舶安全营运是一大隐患。
The utility model relates to a hot pressing roller type filling machine for mesh bag seedling matrix, in particular to a mesh bag seedling vessel making machine, belonging to agricultural machinery.
热压滚轮式网袋育苗基质灌装机涉及一种农业机械，更具体的说是一种网袋育苗容器 制造机器。
The types of jigging machines and their positions on the deck have the effects on the hooked-off rate. The lowest hooked-off rate is observed on SE-81 machine and in the middle position of vessel.
不同型号钓机和不同位置的钓机脱钩率不同，其中SE - 81型钓机和船中部位置的脱钩率最低。
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