derrick member 中文意思是什麼

derrick member 解釋
井架構件
  • derrick : n. 1. 【機械工程】動臂起重機，塔式起重機，起貨桅。2. 油井架，鉆（井高）塔；（飛機的）起飛塔。3. 〈美俚〉小偷。
  • member : n 1 （團體的）一分子，成員；會員；社員；議員；委員。2 政黨支部。3 手足，肢體；身體各部，（人及動...
  1. Many classes in fem and the relevant member functions are also defined. derrick is an important structure of petroleum drilling machinery, and its carrying capacity is very important for the implement of drilling process

    在程序中，給出了各個有限元類的定義以及實現函數；井架是石油鉆井機械的重要組成部分，其安全承載能力對鉆井工藝的實現起著舉足輕重的作用。
  2. Dongguang tool factory is the member of chinanese heavy derrick pulley association and the memberof cangzhou association of industy and commerce for the five metals. it was ste up 1970. for thirty years we have been manufacturing and desing all kinds of derricks and slings. our products are welcome at home and abroad. we are given the fame : keeping promise and contract and fine interprise by hebei industry and commerce bureau

    東光縣工具廠是「中國重型機械其重滑車行業協會會員廠」 ， 「滄州工商聯五金商會會員廠」 ，建廠於一九七0 ，三十年來一直從業各種起重索具的設計和生產，產品服務于國內外市場，受到了國內外客戶的好評，並被河北省工商局授予「重合同守信用」和「五好企業」稱號。
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