S 開(kāi)頭單詞

sealed fault [能源科學(xué)技術(shù)]閉郃斷層

sealed deep groove ball bearings [經(jīng)濟(jì)學(xué)]帶密封圈的深溝球軸承

sealed deep groove ball bearing [機(jī)械工程]密封深溝球軸承

sealed copy 蓋印文本

sealed container 密閉容器；密封集裝箱

sealed class 密封類

sealed chamber 密封室；密封筒

sealed case 密封盒；密封外殼

sealed brood [辳業(yè)科學(xué)]封蓋子

sealed book n. 未知之事；被封的書(shū)

sealed bidding 封標(biāo)；密封投標(biāo)

sealed bid auction 密封投標(biāo)（暗標(biāo)）拍賣

sealed bid [貿(mào)易] 密封的投標(biāo)

sealed bearing [機(jī)] 密封軸承

sealed area [物理學(xué)]封閉區(qū)

sealed adj.封口的；密封的動(dòng)詞seal的過(guò)去式和過(guò)去分詞.

sealder n.海濱榿木

sealcap 密封蓋

sealase 封閉酶, 多核苷酸郃成酶

sealants 密封膠