内螺纹;
Design of the Injection Mould with Eject Plate& Screw Rod Structure for Auto_demoulding of Internal Thread
推板螺杆式自动脱内螺纹注射模设计
The connecting sleeve is bolt jointed with the connecting screw via the left internal thread.
连接套筒通过左内螺纹与连接螺杆相螺接;
Injection mould with screw-driven mechanism for internal thread
内螺纹螺旋传动脱模的注塑模设计
a wrench for turning a tap to create an internal screw thread.
旋转活栓产生内螺纹的扳手。
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