本实用新型属于压力锅安全阀的改进，由阀体、连接螺母和丝堵组成。
The utility model belongs to an improvement for a safety valve of a pressure cooker, comprising a valve body, connecting nuts and a plug.
本实用新型结构简单，装饰盖与闷盖或丝堵具有互换性，操作使用简便易行。
The utility model has simple structure, and the decorative cover is interchangeable with the blank cap or the screw plug, which simplifies operation and use.
管件类：弯头、三通、四通、活接头、卜芯、大小头、管帽、堵头、内丝、外丝、翻边、异径管。
Pipe series: Elbow, tee, cross, movable joint, Bu core, reducer, pipe cap, choke plug, inside the wire, outside the wire, turned-over edge, increaser etc.
摆丝靴经常出现故障，造成纺丝机堵丝而联锁掉位。
Failures often happen to cyloid boots, which causes filament blockage in the spinning machine resulting in interlock trouble.
为解决传统气力输送系统的烟丝分层、吸丝管堵丝和漏灰等问题，研究开发了水平侧吸式烟丝气力输送系统。
To solve the problems, such as cut tobacco segregation, duct blocking, dust leaking, etc, a lateral-suction cut tobacco pneumatic conveying system was developed.
为解决传统气力输送系统的烟丝分层、吸丝管堵丝和漏灰等问题，研究开发了水平侧吸式烟丝气力输送系统。
To solve the problems, such as cut tobacco segregation, duct blocking, dust leaking, etc, a lateral-suction cut tobacco pneumatic conveying system was developed.
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