Please could somebody enlighten me with the English equivalent. Thanks. Proposed translations (English) 5 steel beam, RSJ (rolled steel joist) Bourth (X) 4 +1 IPN (type of structural steel shape ) Francis MARC Propose a translation ...
在尾部设起、放网滑道的称尾滑道拖网渔船(stern ramp trawler)。 桁拖渔船 beam trawler 有桁架伸于舷外,以拖曳网具进行捕捞作业的渔船。 加工拖网渔船 factory trawler 具有较大的冻结和加工能力的大型尾滑道拖网渔船。 围网渔船 seiner 从事围网作业,主要围捕中、上层水域鱼类的专用渔船。包括双船及单船、舷侧起网...
seamless alloy tooth crown 无缝合金牙冠,无缝冠 seamless steel gas cylinder 钢质无缝气瓶 search 探索,检查 searcher 膀胱石探杆 seat 座位,位置 seat-type microscope lamp 座式显微镜灯 second (abgr. sec.) ①秒 ②副,第二 secondary battery 蓄电池组 secondary electron 次级电子 second rib shears 第二肋...
pushed there when new technologies made their labor cheap or expendable; inventions such as steel plows and mechanized harvesters allowed one farmhand to perform work that previously had required several, thus making farming capital-intensive rather than labor-intensive. 25) the united states economy ...
She is performing on a beam. Step 2. Listening Listen to the tape of Lesson 34 and tell whether the following statements are true or false. 1. Olympic competitions started in Greece. T 2. Modern gymnastics began in the 18th century. F 3. If you want to become a top gymnast, it is...
forging steel 锻钢 forging test 锻压试验 forging test 锻造试验 forging 锻 forging 锻件锻 fork and blade connecting rod 叉板式连杆 fork beam 短梁 fork beam 夹桅双短梁 fork beam 夹桅双短梁舱口旁)短梁 fork connection 叉形联结 fork connection 叉形连接 fork end of connecting rod 连杆的叉形端...