This year, the multiple has been compressed by the market.
今年，倍数则被市场压缩了。
Air conveying chute is a device which conveies material by compressed air as force.
空气输送流槽是一种利用压缩空气作为动力来输送物料的装置。
Totally driven by compressed air, no electric power, no explosion, fire caused by electric sparks.
完全采用压缩空气为能源，不使用电，绝无爆炸，起火等潜在的安全隐患。
By compressed air or by water pressure.
靠压缩空气或水压力。
Ground building is wrecked by compressed coal mining under village.
村庄下压煤开采，造成地面房屋破坏。
Ground building is wrecked by compressed coal mining under village.
村庄下压煤开采，造成地面房屋破坏。
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