glass oil cup 玻璃油杯
air cleaner oil cup 空气过滤器油杯
gland oil cup 压盖油杯
oil cup thermometer 油杯温度计
drive-type oil cup 压力加油器
wick feed oil cup 芯给式油杯
cow oil cup 牛油杯
oil cup cap 油杯盖
N a cup-shaped oil reservoir in a machine providing continuous lubrication for a bearing (为机器输送润滑油的)油壶
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