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单词
ballrace
释义
ballrace
简明释义
n.
滚珠轴承:一种机械零件,用于减小旋转摩擦,支撑轴承间的相对运动。滚珠轴承由内外圈和滚珠组成,滚珠在内外圈之间滚动,从而实现旋转运动。
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frostproof
frost-proof
frostproof
frostproof closet
frostproof course
frostproof depth
frostproof fire extinguisher
frostproof fire extinguishing system
frost-proof hydrant
frost-proof motor
frostproof nozzle
frostproof
frost-proof wing
frost protection
frost protection blower
frost protection equipment
frost protection measure
frost protetion layer
frost quake
frostquake
frost quake
frost region
frost removal
frost removal timer
frost resistance
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更新时间:2026/9/4 23:19:45