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- The pot cover has applied double sealing. 锅盖采用双道密封。
- Insert ball bearing unit is consisted of a double sealed, single row bearing and one of various types of housings (cast iron or stamping steel housing). 带座外球面球轴承由一个双面密封且外圈具有球形外截面的宽内圈深沟球轴承和一个轴承座(铸铁座或钢板冲压座)两部分组成。
- Introducing the structure design,working principle and performance of double sealed guide valves. 介绍了双密封导轨阀的结构设计、工作原理与性能特点。
- Application of Dry Gas Double Seal for Hydrogen Compressor 双端面干气密封在氢压机上的应用
- There are double seals for ball baring unit and it is normally pre-greased for working in the condition of dust, slob and causticity. 带座外球面轴承一般为预填装润滑脂，采用双层密封形式，适合在粉尘、泥水、腐蚀性介质的场合内使用，利于主机工作。
- Application of Liquid-filled Double Seal in Floating Roof Tank 充液式双重密封在浮顶罐中的应用
- Several Features About Semi-module and Double Seal Air Preheater 浅谈半模式双密封空气预热器的几个特点
- He is working double tides to finish his essay. 他日夜苦干，赶写他的文章。
- I do not realize it is a double feature. 我原先不知道这是双片连映。
- Double agents live in a perpetual state of fear. 两面派永远过着提心吊胆的生活。
- I want a double room with a view. 我要一间能看到风景的双人房间。
- He was so fat that he had a double chin. 他胖得有双下巴了。
- The carpet is too thick to double up. 这地毯太厚没法折叠。
- Is the material single width or double width? 这幅料子是单幅的还是双幅的？
- Reserve double room June fourth to tenth inclusive. 预订双人房间，六月四日至十日，共六晚，望订妥复电。
- In this case, I can double for penalty. 假如这样的话，我可以叫加倍了。
- Can you tell me the rate for a double room, please? 请告诉我一间双人房的费用可以吗？
- The soldiers came at the double. 士兵们是急行军来的。
- A couch performs a double service. 躺椅有双重的服务。
- Look, double yellow lines you mustn't park here. 喂，这是双黄线--不能在这儿停车。
