单词	区间信号
释义	区间信号医wayside signaling
随便看	self-acting drilling machine self acting ejector self-acting ejector self acting feed self-acting feed self-acting feeder self-acting gas journal bearings self-acting gravity incline self acting grinding machine self-acting grinding machine self-acting haulage self-acting idler selfacting incline self-acting incline self acting injector self-acting injector self-acting intermittent brake self acting lathe self-acting lathe self acting lubrication selfacting lubricator self acting lubricator self-acting lubricator self acting milling machine self-acting milling machine