relief and blow down system是什么意思

relief and blow down system是什么意思 blow-down blow and blow怎么解释 i'll huff and puff and blow your house down什么意思 Blow the Man Down 歌词 To lay down their burden relief 同上 blow and blow 的中文意思 blow hot and coldexample cop and blow relief The blow to the UN's services on the ground may slow relief and rescue efforts for the Haitian people,but its humanitarian department is sending emergency response teams and releasing emergency fundsBLOW怎么理解啊? 英译汉：The unit shall be ready for immediate mounting on floor or simple foundation and ready for attachment of water,steam,fuel,electrical,vent and blow down connections. The clod winds start to blow and blow . blow blow blow blow blow