双头螺丝钉 dowel screw ; dowel l screw
双弯头螺钉旋具 double offset screwdriver
双头空心加压螺钉 DHSN
双头紧定螺钉扳手 end set screw wrench ; double-end set screw wrench ; double end set screw wrench
微型双头加压螺钉 Micro double-headed forcing screw
以单枚双头加压螺钉 DCS
空心双头螺纹钉 double head hollowed screw
双头螺旋道钉 Double-head-twisted spikes
中空双头加压螺纹钉 Hollow double ends compressive screws
提出了供应链的服务主体与服务对象关系模型、服务主体与服务对象关系公式，以及单服务主体服务流域集散双头螺钉模型；
The model and formula of server and objects served in supply chain is proposed. And the collecting and distributing stud bolt model in service flow field of a single service corpus is also expounded.
用螺纹联接并起紧固作用的零件称为螺纹紧固件。常用的螺纹紧固件有螺栓、双头螺柱、螺钉、螺母、垫圈等。
Parts with threads used for joining and fastening are called screw fasteners. The most widely used components as screw fasteners are bolts, double screw bolts, screws, nuts, washers.
螺钉和螺母用装配工具。工程用双头开口扳手。扳手长度和端口厚度。
Assembly tools for screws and nuts - Double-headed open-ended engineers 'wrenches - Length of wrenches and thickness of the heads.
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