lined ring 中文意思是什麼
lined ring
解釋
襯環-
Standard practice for thick wall, ring - lined, split barrel, drive sampling of soils
土壤的厚壁環襯分隔筒取樣的標準實施規程 -
Teflon - lined pipe, casing, elbow, the three exchanges or four, size head, cylinder, air compressor - oxygen - ring, gasket seal ring and auto parts
聚四氟乙烯內襯直管，套管，彎頭，三通，四通，大小頭，筒體，空壓機-制氧機-活塞環、密封圈和汽配封圈。
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