Both housings are waterproof to a depth of two metres.两个机罩的防水深度均为两米。These are the engine housings.这是发动机机壳.The diaphragm was clamped between two support housings.隔膜被夹紧在两个支承套之间....
Arsene Wenger's young Arsenal side failed to break down Barnet's defence in the annual pre - season opener.跟在温格后面的阿森纳年轻的强手们在此次 热身赛 中,失分失于对方的防守太强....the north London suburbs of Harrow, Barnet and Enfield.伦敦北部郊区哈...
She has certain definite beauties, such as her eyes.她确有几分姿色, 比如说她的眼睛。the beauties of nature自然界中美好的东西The pale lunar touches which make beauties of hags lent divinity to this face, already beautiful.那种淡白的月光,本来能叫老丑的妇人变为美人,现...
Forty - five convalescent patients with acute myocardial infarction were studied by dobutamine echocardiography stress test ( EDST ).用超声心动图多巴酚丁胺负荷试验 ( DEST ) 检查了45例急性心肌梗塞恢复期病人.Echocardiography revealed massive right hemo...
过氯酸肼和过氯酸锂形成两种低共熔物.Hydrazine perchlorate and lithium perchlorate form two eutectics.结果表明,在最佳工艺条件下, 低温煤焦油加入量不能超过15%,共熔物制油转化率可达86%.In the optimum condition, the ratio of low temperature carbonization tar was no more than 15...