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- double action booster 双动式增压器
- Double Action: hammer fully down and all chambers may be loaded. 双动式:击槌完全释放并且所有的药室中都可以上弹。
- For double action self-loaders and revolvers the hammer must be down. 如果是双动式自动手枪和转轮手枪,则击槌必须释放。
- An exfoliationg double action treatmenr with apple& lemon glycol acid peel of the surface layer of skin that bears all imperfections. 是一种拥有双重脱皮作用，能有效刺激细胞更生，减少面部一切瑕疵。
- An exfoliationg double action treatmenr with apple &lemon glycol acid peel of the surface layer of skin that bears all imperfections. 是一种拥有双重脱皮作用，能有效刺激细胞更生，减少面部一切瑕疵。
- This paper proposes double action parallel indexing cam mechanism,and studies cams profile by methods used in gear meshing. 提出了双作用式平行分度凸轮机构,并按研究齿轮啮合的方法研究其凸轮廓线。
- The apple has stop have diarrhoea and aperient double action, because the special material such as tannic acid, pectic, prandial fiber is contained in the apple,be. 苹果之所以有止泻和通便的双重作用，是因为苹果中含有鞣酸、果胶、膳食纤维等特殊物质。
- Compressible gas spring, Lockable gas spring,Balanced gas spring, Pressure adjustable gas spring, Pull Stretch Gas Spring, Double damping force gas spring, Double action gas spring and damper. 压缩气弹簧、角调气弹簧、平衡气弹簧、压力可调气弹簧、拉伸气弹簧、双向阻尼气弹簧、双向气弹簧、阻尼器。
- A steep slope zone is recognized between the central uplift and the eastern depression and can be classified as a slope break zone resulted from the double action of tectonism and erosion. 研究发现，在盆地中部隆起与东部坳陷之间存在着一个陡坡带，可将其归为构造与侵蚀双重作用成因的坡折带。
- closed-type double action crank press 闭式双
- single & double action spring hinge 单双弹簧铰链
- underdrive double action drawing press 底传动式双动拉伸压力机
- open back double action drawing press 后开式双动拉伸压力机
- He is working double tides to finish his essay. 他日夜苦干，赶写他的文章。
- open-type double action crank press 开式双动曲柄压力机
- 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。
- horizontal double action oill hydraulic press 卧式双动油压机
