- 补: repair; mend; patch
- 催青: hasten the hatching of silkw ...
- 催青: 1.[农业] (用加温的办法促使蚕卵孵化) hasten the hatching of silkworms (by adjusting temperature and humidity)2.(古代指春化) vernalize (使加速开花结果)
- 催青期: hatching period of silkworm egg
- 蚕种催青: hatching of silkworm egg
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