本实用新型的螺栓只能在封盖扣紧前上紧固定，用任何工具都不能拆卸，所以防盗性能更可靠。

The bolt of the utility model can only be tightened and fixed before the enclosing cover is fastened and can not be dismantled with any tool; therefore the burglar resistant property is more reliable.

youdao

本实用新型的螺栓只能在封盖扣紧前上紧固定，用任何工具都不能拆卸，所以防盗性能更可靠。

The bolt of the utility model can only be tightened and fixed before the enclosing cover is fastened and can not be dismantled with any tool; therefore the burglar resistant property is more reliable.

youdao