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单词
compressed air
释义
compressed air
[kǝm`prest `er]
MECHANICS
Air whose density is increased by subjecting it to a pressure greater than atmospheric pressure.
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hard glass
hard goods
hard grease
hard ground
Hardgrove grindability index
Hardgrove number
hard hat
hardhead
Hardinge feeder-weigher
Hardinge mill
Hardinge thickener
hard iron
hard lac
hard-lac resin
hard-laid
hard landing
hard lead
hard-limiting
hard magnetic material
hardness
hardness number
hardness test
hard pad
hard palate
hardpan
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