不鏽鋼方管尺寸表網站相關資料
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不鏽鋼方管尺寸表網站相關資料
不锈钢管-公称管重量计算
这个应用用来计算不锈钢公称管或不锈钢管子理论上的单根重量和总的重量。对于公称管，重量是基于尺寸、壁厚等级和公称管的长度。对于管子，重量基于外径、平均壁厚和管子的长度。同时支持英制计量和米制计量系统。app由美国巨原特材有限公司研发，公司是特殊不锈钢管材行业中的佼佼者。免費玩不锈钢管-公称管重量计算 …
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Haiti Untold
Haiti Untold App is the official mobile application for the feature documentary "Haiti Untold" revealing the inside story since the devastation wrough …
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US Radio License - Extra
----- English ----- Exam preparation for Amateur Radio license 'Extra Class'Before you can get on the air, you need to be licensed and know the rules …
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US Radio License - General
------ English ------ Exam preparation for Amateur Radio license 'General Class'Before you can get on the air, you need to be licensed and know the ru …
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US Radio License - Technician
------ English ------ Exam preparation for Amateur Radio license 'Technician Class'Before you can get on the air, you need to be licensed and know the …
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US Road Signs
A visual dictionary of Road Signs used in the United States of America.Ideal for those learning to drive or planning a driving holiday in the States.. …
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USA Family English Free HD - Learn English and Ame
American Family Spoken English is the best tool for improving listening, reading, speaking and writing abilities. English communication skills will al …
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