西维因烟剂防治效果为 31.51%,氯氰菊酯烟剂防治效果为97.68%. The control effect of DDVP . carbaryl and cypermethrin smoke agents were 95.85 % 31.51 % and 97.66 % respectively.
...a smothering, overprotective mother.对孩子过分溺爱、过度保护的母亲She loved her own children, almost smothering them with love.她十分疼爱自己的孩子,几乎到了溺爱的程度。He wrapped the coat around her head, smothering the flames.他用上衣包住她的头, 熄灭了火.The old c...
At first, the thermodynamic calculation of Solid Ducted Rocket is researched.在此基础上,首先对固体冲压发动机热力计算展开了研究分析.Sound cover allowsa ducted cooling air outlet , from side only or from both front and back.隔音罩引导冷却空气从一侧或两侧及背面排出.So,...
The delta region of the Rio Grande river was a forsaken land of thickets and swamps.里奥格兰德河三角洲曾是一片遍布荆棘和沼泽的荒废之地。Para m í el deportista m á s grande de todos es Michael Jordan.我喜欢他们,但更喜欢迈克尔乔丹.Part Amistad Reservoir on the R...
她一副遭人遗弃和背叛的样子。She had the look of someone deserted and betrayed.她又高又瘦,一副精明过人的模样。She was thin and spare, with a sharply intelligent face.她想象着他噔噔噔地走向车子,一副自以为是的模样。She visualized him stomping to his car, the picture of self-...