它具有双贝壳，分别由两根绳控制进行相对运动，还有用来排水的微型泵（他仍在寻找蛤足的最佳设计方案）。
It has a bivalve shell, two strings which move the valves against one another, and a small pump that expels water (he is still working on the best design for the foot).
传统的欧式门窗是木质门窗， 由80X80毫米实木方加工而成，双铆榫结构， 设有通风排水系统。
Wood windows are the traditional windows in Europe, the wood frame is 80X80 mm with air circle and drainage system and double tenon structure.
防火油池应进行双池设计，两池中进油口和出水口不应同高或进口低于出口，这样才能形成虹吸排水贮油现象；
Dual fireproof oil reservoirs should be designed, and the oil inlet height should not be lower than that of the water outlet to siphon oil in and drain water off.
而双作用式泥浆泵每往复一次完成两次吸排水行动。
The double acting reciprocating mud pump one time every two suction drainage action.
考察了利用双膜（MF—RO）技术回收循环冷却排水的可行性。
The feasibility was investigated on the use of MF/RO membrane technology for recovery of recirculating cooling water.
本发明涉及改变住宅建设排水管结构及废水过滤器和卫生洁具便池双阀水箱，改变各楼层废水排水管结构利用二次水自流过滤流入便池水箱冲洗便池及冲洗拖布。
This invention relates to structural changing of the waste water drain trap in housing construction and the double valve water tank of the waste water filter and sanitary ware urinal.
结构特点：1、采用平衡双阀座系统，加倍增大流量面积、获得特大排水量。
Structures: 1, tow balanced valve bases to increase the area of flux and acquire large amount of water discharged.
分析了土家湾隧道坍方的原因，阐述了该隧道塌方综合处治技术和相关的防排水措施，采用水泥水玻璃双液注浆加固施工工艺。
The reason of Tujiawan tunnel collapse was analyzed. This paper discussed the technical parameter of cement-silicate grouting reinforcement? Support of surrounding rock and its relative technology.
泥浆泵分类泥浆泵分单作用及双作用两种型式﹐单作用式泥浆泵在活塞往复活动的一个循环中仅完成一次吸排水行动。
Mud pump Classification mud sub-single-effect and two types of double acting, single acting mud pump piston reciprocating in a cycle of action only to complete a suction drain.
热缩系列产品，是为市政工程排水、给水用双壁波纹管端口连接密封而设计的。
FRYS series heat-shrinkable sleeve products are designed for connection and sealing of ports of double-wall corrugated pipe for water discharge and supply of municipal engineering.
福州西区水厂将原有的双阀滤池改造为V型滤池，重点介绍了进水系统、滤板系统、反冲洗排水系统、滤后水系统、反冲洗系统的改造。
Uneven air distribution and other problems existing in the water distribution system of the original V-type filter with ceramic tiles were analyzed.
分析了双极板不同流场排水能力和动态排水技术，并对质子交换膜燃料电池水管理提出一些建议。
Water removal capability of different flow fields and dynamic water removal technologies are reviewed. Finally, sever advices about water management of PEMFC we...
分析了双极板不同流场排水能力和动态排水技术，并对质子交换膜燃料电池水管理提出一些建议。
Water removal capability of different flow fields and dynamic water removal technologies are reviewed. Finally, sever advices about water management of PEMFC we...
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