metal sealed tube
常見例句
- An experiment on hydrothermal growth are in process in a sealed tube with a precious metal liner.
紅寶石的水熱生長試驗在密封貴金屬襯管中進行。 - Said invention also provides a palladium-103 seed medicine and a metal rod cover-coated with palladium-103 and solder-sealed in titanium tube.
本發(fā)明還提供了一種鈀-103種子藥物，于鈦管內(nèi)部焊封一粒覆鍍鈀-103的金屬棒。
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