英语词汇“packing ring”的读音、翻译、释义、用法及例句-开邑网

词汇	packing ring
释义	packing ringpacking ring1.■密封环;轴封环;垫圈
随便看	graded dry distillation liquefaction graded effect graded energy gap solar cell graded exercise test graded fairway graded fiber graded filter graded fruits graded glass seal graded gravel graded hardening graded heterojunction graded homomorphism graded hourly rate graded hourly rates graded hydrolysis graded ideal graded illumination graded index graded-index graded index fiber graded-index fiber graded index fibre graded-index glass fiber graded index multimode optical fiber

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