In 1972 UNICEF initiates a project to install tube Wells that pull pure underground water to the surface.
1972年联合国儿童基金会启动一个项目旨在打口深井并将纯净的地下水引到地表。
The authors described the structure of a newly - developed wedge-tube bolt, its reinforcement principles and anchoring performance, and the results of in situ pull test and productive applications.
当前某些新型锚杆有忽视顶锚的不良倾向。作者介绍了新研制的楔管式锚杆的结构、加固原理、锚固性能、及其在现场条件下的拔拉试验与工业应用结果。
Pull 3 soft tube from this side and connect them with engine.
三根软管从此处拉出和发动机连接。
Our company's main automotive water, air tube, dust cover, silicone tube seal, pull, engine brackets, bushings and other rubber products.
本公司主营汽车水管、空气管、防尘套、硅胶管、密封条、拉线、发动机支架、衬套等橡胶制品。
The tests of bonding power between polystyrene board and concrete, plastic expanded tube pull- out, compressibility, freeze resistance show the system property is reliable and high safe.
经聚苯板与混凝土粘合力、塑料胀管抗拔力、压缩率及抗冻试验表明该体系性能可靠、安全度高；
A pull band (2) is added to solve the inconvenience of pulling when the trousers are put into the shoe tube (7).
包括增加手提襻(2)，解决了裤管塞入鞋筒(7)时的拉提不便。
The utility model relates to a bipolar electrocoagulator which belongs to a medical apparatus. A double tube push-pull principal oscillation circuit is composed of a transistor.
本实用新型涉及双极电凝器，属于医疗仪器，由晶体管构成双管推挽主振电路。
The utility model relates to a bipolar electrocoagulator which belongs to a medical apparatus. A double tube push-pull principal oscillation circuit is composed of a transistor.
本实用新型涉及双极电凝器，属于医疗仪器，由晶体管构成双管推挽主振电路。
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