英语词汇“headache post”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	headache post
释义	headache post noun : a post placed on an oil-well derrick floor in order to prevent the walking beam from accidentally striking a workman
随便看	riftless rifts rig rig (out) rig (up) rig irons rig out rig the ballot rig up Rig Veda rig's disease rig-and-fur rig-out petering petering (out) petering out peterman petermen peters Peters peters (out) peters out Petersburg petersburgs Petersen coil

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headache post