- land slide warning device
- 塌方: cave in; collapse; overbreak
- 落: fall; drop
- 石: dan,a unit of dry measure fo ...
- 报警器: annunciator; alarm; siren; w ...
- 报警器: a unciator; alarm annunciator; alarm apparatus; alarm bell; alarm buzzer; alarm equipment; alarm rattler; alarm unit; alertor; alm alarm; announciator; horn; telltale; warner; warning howler
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