The present invention relates to a plate spring box component which includes a inner pressure ring, a external pressure ring, a innermantle 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；
2
The formation of Earth's crust protected the inner layers of Earth from the high-energy particles in space, reducing the temperatures of the mantle and the core.
地壳的形成保护了地球的内层不受太空中高能粒子的影响，降低了地幔和地核的温度。
3
In the textbooks of yore, the Earth's inner regions like the mantle and core were presented as simple, fairly homogeneous regions.