hydrae难以根除的祸害,水螅
hydran.(希腊神话中的)九头蛇;难以根除之祸害;水螅Hydra.n.长蛇星座
hydrazines propellant肼类推进剂
Hydrargyrum pollution汞污染
hydrazine monohydrate水合肼
hydrargyri mononitras[医] 硝酸亚汞
hydrazine perchlorate高氯酸肼
hydration-resistant耐水合
Hydra peseudoligactis水螅
Hydrangea coenobialisn.酥醪绣球
Hydrangea macrophyllan.绣球
hydrazinolysis method肼解法