air hammer [机] 空气锤 ; 风锤
compressed air hammer 空气锤 ; 风镐 ; 风动锤 ; 压缩气锤
air hammer drill 风动凿岩机 ; 凿岩机
compressed-air hammer 风铆锤 ; 压缩空气锤
air hammer drilling 气动震击钻井 ; 空气锤钻井英文课件 ; 空气锤钻井
die forging air hammer [机] 模锻空气锤
auto air hammer 掌上型气动锤
It is posed that angular air-hammer self-excited vibration and half frequency wobble self-excited vibration are two reasons for resulting angular wobble self-excited vibration for gas film face seals.
提出造成气膜端面密封角向摆动自振的内在机理，既有半频摆动自振又有角向气锤自振。
But that changes the instant you set eyes on some of the items set to go under the hammer next month as part of a sale of the contents from the Bel Air home that Michael was renting.
而这一事实，则使得部分将要出现在下个月举行的拍卖会上的物品显得与众不同，因为届时迈克尔曾在百莱荷租赁的房屋中的部分遗物将会进行拍卖。
This paper collects the typical structure of air hammer, understands the principle, determines the design principles and methods.
收集了国内外典型的空气锤结构，了解空气锤工作原理，确定了空气锤结构的设计原则及方法。
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