The present invention relates to a plate spring box component which includes a inner pressure ring, a external pressure ring, a inner mantle ring, a outer mantle ring, a plate spring and screws;
本发明涉及一种板弹簧盒组件，包括内压环、外压环、内垫环、外垫环、板弹簧以及螺钉；
The outer surface of the bracelet ring is coated by gold, silver and decorative coating. The connecting device can adopt a spring or a snap buckle sheet.
手镯环为中空环形结构，采用硬塑或轻金属，外表面镀（涂）金、银及装饰涂料。
The water heating control valve is composed of a valve casing, a valve outer cover, an inner cover, a pressure spring, a valve core, a positioning device and a sealing ring.
水暖控制阀由阀壳、阀外盖、内盖、压簧、阀芯、定位装置及密封圈构成。
The water heating control valve is composed of a valve casing, a valve outer cover, an inner cover, a pressure spring, a valve core, a positioning device and a sealing ring.
水暖控制阀由阀壳、阀外盖、内盖、压簧、阀芯、定位装置及密封圈构成。
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