... hand reciprocating pump 手动往复泵 hand scrubbing 人工洗刷 handhole 手孔 ...
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hand-scrubbing 手臂消毒剂
The SCWO process, on the other hand, can convert virtually all of the heating value of the sludge to hot water or steam without the need for stack gas scrubbing.
不过，污泥转燃油转化系统差不多可以完全转换污泥潜在的燃烧热能用以生产热水和蒸汽，且没有烟气气洗的必要。
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The majority of the old stuck to toilsome hand-scrubbing.
FORBES: The Rising Silver Tide: Aging as Counter Current to Innovation
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