Shipbuilding and marine structures ; bearings for derrick goosenecks ; assemblies and components ; identical with iso 6045 , edition 1987 造船和海上结构.悬臂起重机鹅颈形起重杆的轴承.组件
6.
Gooseneck to be dismantled , examined and measured . ball bearing and glands in the socket of gooseneck to be cleaned , examined , repaired or renewed if necessary , greaed and refitted 鹅颈销拆开，检查，测量。鹅颈销承套中球轴承及格栏清洁，检查，必要时修理，换新，加牛油后装妥。
7.
Qin lian hardeare products factory is a professional factory of hardware components . our main products are die - cutting products , spring , screw , lathe - made components , metal tube ( called gooseneck ) , which apply to such industrial lines as electronic , electronic toy , switch , lighting , camera , earphone , microphone , and so on . with advanced machines , mature technique , good management , skilled workers and educated , talented managers , our company will bring you good hardware complonents and top - ranking service 勤联五金制品厂是一家专业、全面生产五金类型的厂家，主要产品有冲压件、弹簧、螺丝、车床件、五金软管（俗称金属管或鹅颈管）我们公司有先进的机械设备，成熟的人才和技术，优良的管理方针，将为您公司的产品提供良好的五金配件产品适用于电子电器、玩具、开关、灯饰、照相机、耳机、麦克风、汽车配件等行业。
