当脱硫剂累计饱和硫容达20%时,可用于生产硫酸.It was useful forH 2 SO 4 production when the accumulative saturationS capacity reached 20 %.目前使用氧化钙复合的镁基脱硫剂较为合理.It is rational to use complex desulphurization agent for pretreating hot metal.用途: ...
He is now quadriplegic and confined to a wheelchair.现在的他四肢麻痹，只能呆在轮椅上。Wheelchair, Fixed armrest and footrest, Painted frame , Nylon cushion.合金轮椅, 固定扶手、脚踏, 格仔布坐背垫.The premises are wheelchair accessible...该场所轮椅可以自由出入。Ramps ...
他感觉袜子向下滑时,猛拉了一下.He gave his sock a hitch when he fell It'slipping down.她感觉到衣袖被猛拉一下.She felt a twitch at her sleeve.她猛拉了一下绳子.She gave the rope a yank....