natural plastic material 中文意思是什麼
natural plastic material
解釋
重力勢能-
The products be sell to the whole national place, and get application widely in much enterprise such as petroleum chemical industry natural gas iron and steel, non - ferrous, metal, electric power heating building material light industry food textile pharmaceutical brew plastic piped water etc
用戶涉及軍工石油冶金化工電力輕工食品醫療高校及研究機構等,范圍遍及全國各地,並配套出口多個國家。 -
Abstract : microcircuit speciments respectively made of 4 kinds of molded plastic and 2 kinds of coating material for chip have been stored at xisha natural exposure station for 22 months
摘要:對4種模塑封裝材料、兩種晶元塗層材料封裝的微電路樣品在西沙天然暴露站進行了22個月的貯存試驗,並設計製作了一種簡便有效的測試系統。
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