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- The circlip lead seal packer with sand control is developed for ensuring the normal production of big borehole sand control well. 为保证大井眼防砂井正常生产,研制了卡簧式铅封防砂封隔器。
- lead seal single slip liner hanger 铅封单卡瓦衬管悬挂器
- Industial belts and pulleys Belt conveyer Safety at work:Body protection ite; Sealing sheets for gasket: Natural rubber, cellulose, paper, carboard: glass, graphite, carbon, mica, modified... 查看“机械及工业制品-通用零部件-紧固件、密封件、弹簧”:公司信息商品信息供应信息
- Beam Lead Sealed Junction Integrated Circuit Package 梁式引线封闭式接头集成电路组件
- There are fulse, kilowatt-hour meter,air switch and other elements,there are lead sealing holes on each metering space doors so as to provide sealing electric. 箱内装有熔断器、电度表、空气开关等元件，计量室门上均有铅封孔，能有效防止窃电。
- Keywords big borehole;circlip lead seal packer;development;test; 大井眼;卡簧式铅封封隔器;研制;试验;
- A flat roof covered with sheets of lead. 覆以铅板的平屋顶
- The horse forged ahead the lead in the homestretch. 那匹马在最后阶段突然加速跑到前面。
- Shirley will try out for the lead in the play. 雪莉将参加该剧主角的选拔演出。
- The body was sealed in a lead coffin. 尸体安放在密闭的铅棺中。
- Excessive patriotism can lead to xenophobia. 爱国主义过了头即可导致仇视一切外国人。
- Lead aprons shield people from radiation. 铅做的工作裙可使人免进辐射。
- Graphite is used in making lead pencils. 石墨常被用来做成铅笔。
- Research of Metal Foamed Rubber Composite Sealing Sheet 金属发泡橡胶复合密封板材的研制
- Lead will fuse at quite a low temperature. 铅会在相当低的温度下熔化。
- The team recovered its lead in the second half. 该队在下半场重新领先。
- No road of flowers lead to glory. 没有一条通往光荣的道路是铺满鲜花的。
- Copper has less resistance than lead. 铜的电阻比铅的小。
- I'll take part, but I won't want to lead. 我参加，但不想当领导。
- Alice has the lead in the school play. 艾丽斯在学校演出的戏剧中担任主角。
