Both Ends Closed的意思|示意

Off penetrable knife gate valve is a new type of fast-flow regulating valve with both ends opened and closed operation of actuators that can double increase headstock speed.

本阀门是一种新型的快速流量调节的刀闸阀，具有两端同时开启、关闭的操作执行器，成倍提高启闭速度。

Kayaks are closed boats, and the paddles have blades at both ends. Competitors use their feet to control a rudder that steers the boat.

皮艇是封闭的，桨的两端都有桨叶，运动员用脚控制舵，控制船的方向。

This gas-operated valve should be kept in a well-ventilated dry room, with both ends of the ventilation channels closed. The gas-run valve should be either completely closed or open.

气动球阀应存放在干燥通风的室内，通径两端应封闭，气动阀应处于全开或全关的位置。

By the method of weighted residuals the reliability of the unstability of the closed cylindrical shell with both ends built-in is calculated. Results show the validity of the present method.

在加权残值法计算的基础上，进行了两端刚固的闭合圆柱壳失稳的可靠性计算，表明了该方法的有效性。