词汇	sump-Penrose drain
释义	sump-Penrose drain 深坑-Penrose引流管
随便看	electronic science electronic science and technology Electronic Science Section electronic scientific journal electronics circuit experiment electronics circuit simulator electronics circuit teaching electronics classroom electronics combination lock electronics commerce electronics/communication related periodical electronics companies electronics company electronics components Electronics Component Sales Strategy Partner electronics components reliability center electronics computer aided design electronics control electronics-controlling engines electronics control system electronics cooling electronics cooling technology electronic scope electronic score electronic scoring equipment