词语derrick post
解释吊杆柱
derrick post〔名词〕吊杆柱详细»
derrick post〔名词〕人字起重机柱,转臂起重机柱详细»
derrick post吊杆柱起重柱，详细»
吊杆柱derrick post;kingpost;samson post;samsonpost详细»
吊杆柱derrick post;samsonpost;samsonspost详细»
吊杆柱derrick post详细»
吊杆柱samson post;samsonpost;samsons post;samsonspost详细»
吊杆柱derrick post;king post详细»