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An optional dust collection unit is available for dustless drilling.

可选的集尘装置可用于无尘钻孔。

Compact design and larges wheels make them move easily.Special treatment of main large filter surface and ultra-clean filterare optional according to your requirements.Filter can be cleaned by shaking manually or eclectically.

机身小巧、坚固耐用，主过滤网面积大且表面经过特殊处理，可根据要求加装超净过滤网；清洁过滤方式可选择手动或电动方式，可以配有旋风分离器。

China's real estate market strong development momentum of China's building materials market, this piece of "cake" growing in volume, while overseas construction materials "giant" Optional machine have forced the Chinese market, China stepped up the local building materials business,"Pai soldiers embattle."

房地产市场驱动建筑材料建材市场庄家，以处理&外国材料&挑战中国房地产市场发展势头强劲的中国建材市场这块&蛋糕&越来越多的量，而海外建筑材料&巨人&任择机迫使中国市场，中国加强了地方建筑材料业务，&排兵布阵。&

Government become involved in the provision of excludable commodities because, for some reason, the private sector does not provide the optional amount.

政府卷入提供商品排斥，因为某些原因，私营部门提供的不择金额。

In the development construction of project of filar road beautiful city, with the train of thought that scientific program designs and concept, the theme that learns standard science optional location to apply to outstanding science from basis environment, pay attention to building and environment between interactive with symbiosis, the space that pays attention to room inside and outside blends and the dimensional thrust deep into the enemy forces of different level and the creation that change a space to human nature.

丝路花城项目的开发建设中，以科学规划设计的思路和理念，从依据环境学标准科学选址到突出科学应用的主题，注重建筑和环境之间的互动和共生，注重室内外的空间交融和不同层面的空间穿插以及对人性化空间的创造。

As the object is iterated over, the optional blksize parameter will be repeatedly passed to the filelike object's read method to obtain strings to yield.

作为迭代上的对象，可选的 blksize 参数将被重复地传递给 filelike 对象的 read方法获取产生的字符串。

Premium pneumatic actuators are Air-to-Air (Double Acting; optional Spring Return) Actuator for 1/2"- 2" valves features a packless/glandless linear piston design and one-piece actuator/bonnet constructed from high integrity PES, chemically resistant to virtually all acids, caustics, and solvents.

高级气动执行器是适用于通径DN15 ~ DN50阀门的气-到-气执行器，配置无包扎/无衬料线性活塞结构，一体式执行器/阀盖的结构材料为高度完整的PES，抗化学品腐蚀，包括所有的酸，苛性硷，以及溶剂。

They also like the 4-color device's optional fifth printing unit, which enables value-added coating, glossing and spot color.

他们还像四色设备的任择第五届印刷单位，使增值涂层，美化和专色。

Because of the composite material is heterogenetic, we can design a composite material with optional strength and stiffness to meet the need as a special construction.

由于复合材料的各向异性，可以设计出有任意方向的强度、刚度的材料，能够满足特殊机身结构的要求。

If the value of p and υ are high, could be considered optional hydrodynamic structure.

若p和υ的值都高时，可考虑选用流体动压式结构。

Singer Leona Lewis and former Led Zeppelin guitarist Jimmy Page emerged as the bus transformed into a grass-covered carnival float, and the pair combined for a rendition of "Whole Lotta Love".

歌手leona刘易斯和前率领的飞艇的吉他手吉米页出现巴士转化为基层所涵盖的嘉年华花车，和一双合并为一移交&整个lotta爱&。

This is Kate, and that's Erin.

这是凯特，那个是爱朗。