英语词汇“tripod derrick”的意思、用法、释义、翻译、读音、例句、短语、词组-英汉翻译词典

单词	tripod derrick
释义	tripod derrick 三角架(桅杆)起重机,三脚起重机
随便看	riser clamp riser compound riser connection riser-connector riser cracking riser cradle riser cutting torch riser diagram riser distance riser efficiency rise-return-dwell motion rise return dwell motion rise-return-rise motion riser flow riser gate riser gating risergating riser-head riser head riserhead riser height riser knock off ram riser knock-off ram riser leg riser leg product piping

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