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).
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）。
To create electricity for our modern AIDS - GPS, EPIRB, AIS, Satnav and so forth - we have four solar panels, a wind generator and a foot pump, which will also serve as exercise equipment.
为了给筏子上的现代小工具提供电力——卫星导航仪，应急无线电标识，船舶自动识别仪等——我们准备了四块太阳能电池板，一架风力发电机和一部兼作健身器的脚踏泵。
The pump connects to a 33-foot-long, four-inch-diameter polyester-and-rubber hose.
水泵连接了一条长 33 英尺、直径为 4 英寸的聚酯胶管。
Retention gear pump, motor and foot screws, screw the force should be uniform, reliable connection.
紧固齿轮泵、电动机的地脚螺钉时，螺钉受力应均匀，连接可靠。
He inflated the rubber dinghy with a foot pump.
他用脚踏泵给橡皮救生艇充气。
The sophisticated designs of digital pressure display, precise negative pressure adjustment, and foot switch control make this mute oil pump more convenient to manipulate.
特殊设计的数字式压力显示，精密负压调谐，外置控制脚踏开关和精心选配的低噪声无油膜式泵，使产品更方便操作控制和使用。
In general, a foot valve can be mounted if the pump is mounted above the water level of the water inlet so as to start the pump with priming, it can also use the way of vacuum pump water leading.
如水泵安装在进水水位以上时，为了灌泵启动，一般可装底阀，也可采用真空泵引水的方法。
Foot mounting brackets are available also, when the pump must be run slower than direct-drive speeds allow, with belt or gear-reduction assembly.
当泵的运行速度慢于直接驱动速度时，底座安装支架也是可以的，带有传送带或减速齿轮部件。
The pump comes complete and ready to use with a 12.5 foot grout hose and a set of spare piston cups.
该泵构造完整，可以使用12.5英尺水泥浆软管和一套备用活塞。
The lowest level was two sensing system, fixing on foot of the robot, gathering and processing information from multi-kind sensors, and also controlled the pump and valve.
下层为两个足部传感系统模块，分别安装在机器人的两个足上，负责多种传感器信息的采集、处理及泵和阀的驱动控制。
The air-jet exhauster is a compressed air-operated device for pump priming, provided that the pump has no foot valve. Water is induced into the pump by vacuum created by the exhauster.
以压缩空气为动力的气体引射器，它是用在无底阀水泵上的抽气引水设备，具有结构简单、加工制做容易、耗气量小、效率高等特点。
Others: Pipe Fitting, Pump Housing, Ski, Foot Plate, etc.
其他：管道接口、泵体外壳、滑雪板、机车脚踏板等。
Others: Pipe Fitting, Pump Housing, Ski, Foot Plate, etc.
其他：管道接口、泵体外壳、滑雪板、机车脚踏板等。
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