单词	auto lubrication
释义	auto lubrication 学自动润滑
随便看	safe guard safe-guard safeguard a border safeguard a cause safeguard a constitution safeguard action safeguard function of human rights safeguard glasses safe-guard glasses safeguard human rights safeguard in construction site safeguard independence safeguard industries safeguard against safeguard against catching cold safeguard against shocks safeguard against sth safeguard agreement safeguard analytical laboratory evaluation safeguard a national independence safeguardance safeguard and defence safeguard at the back safe-guard chain door lock safeguard children against traffic accidents