可防止的

It is provided adjustive hight of the feed dog device, to avoid aberrancy when seaming elastic fabric.

安装了具有可调节牙齿高度的送布机构，可以防缝制易滑，具有伸缩性布料时防止布跑偏。

Undoubtedly, ecomat mulch can not only control soil erosion, but accelerate revegetation in badland, hence, it can be extended in the similar projects and similar regions.

无疑生态垫既可有效地防止了水土流失，又可促进景观的绿化美化，因此可以在周边类似地区加以推广应用。

Ethods of maintenance for ME'COR pocket mirror.1.After use, it is essential that finger impressions and water strains be rubbed off timely with add-on mull to keep the mirror new.2.When not being used, the mirror shall be put into the flannelette bag to prevent it from oxygenation.3.Keep it away from hard material, in case it gets scratched.4.This product is supplied with anti-fog glass.

E'COR米卡化妆镜保养方法：1、产品使用后，用所配置的软布将手印和水渍及时擦掉以保持产品常新。2、产品闲置时，可放入绒布袋内，隔绝空气防止氧化。3、应尽量避免与硬物相刮，以免造成镜体划伤。4、本品所配置为防水防雾镜片，镜面上起雾时无需擦拭，雾水可自行褪去。

Rich vitamin C still is contained in fruit vinegar, vitamin C is a kind of powerful antioxidant, can prevent cellular canceration and cellular consenescence, still can prevent strong carcinogenic substance inferior the saltpetre amine synthesis inside body, make inferior of saltpetre amine decompose, make inferior saltpetre amine drops in the content inside body, protective airframe is avoided suffer enroach on, prevent the happening of the cancer such as cancer of cancer of the stomach, esophagus.

果醋中还含有丰富的维生素C，维生素C是一种强大的抗氧化剂，能防止细胞癌变和细胞衰老，还可阻止强致癌物亚硝胺在体内的合成，促使亚硝胺的分解，使亚硝胺在体内的含量下降，保护机体免受侵害，防止胃癌。食道癌等癌症的发生。

Results show that the adoption of stainless steel anode wrapped with anion membrane improves the bath stability and avoids the oxidation of manganous ions.

结果表明：采用不锈钢阳极和阴离子膜可提高镀液稳定性，防止二价锰被氧化，加入氢氧化钡可消除因补充锌锰离子而积累的硫酸根离子。

Single or double-acting,three position double-actingdouble direction location,auto resetetc,on which relief valva and pressurelimiting valves may be added,on each port to restrictpressure in the port and avoid the damage caused by higher impact pressure to the system..

该阀的每一工作阀片可分为三位单、双作用；三位双作用双向定位、自动复位等不同功能，可加装安全阀，并可在每一个工作油口加装过载阀，限制该油口压力及防止冲击压力过高对系统引起的损坏。

In the vicinity of the pulley to be removed, clamp the top strand at a distance suited to the winching equipment available,winch in the clamp to pull slack out of the section of conveyor between return clamp and top strand clamp and securely tie the clamp to an adequately strong part of the conveyor structure or other suitable anchor.

夹持回程皮带带芯钢丝绳，位置尽量靠近需要更换的滚筒。注意：对于爬坡或下坡皮带来说，您可使用多个皮带夹，可牢靠夹持皮带防止夹持不牢靠遭成打滑。将皮带夹进行牢靠锚接固定，也可直接将其直接固定到输送机支架的坚固部件上或其它可靠的锚接锁链上。具体参考输送机设计图纸。

On the basis of an analysis of the main causes leading to a boiler waterwall high-temperature corrosion in a tangentially-fired furnace it is concluded that a rational air distribution and proper adjustment of combustion regimes represent the basic measures to prevent the above-cited corrosion.

分析了切向燃烧锅炉水冷壁高温腐蚀的主要原因，认为合理配风、调整燃烧是防止高温腐蚀的根本措施，着重介绍了新型实用专利水平浓淡风煤粉燃烧器的基本原理，指出水平浓淡风煤粉燃烧器可有效防止高温腐蚀的发生。

Type of guide Loading method Block mounting direction Ball retainer Ball Cage Ball 4-way Equal Load Type Top surface mount None None LaCS is available Plate cover / steel tape is available Dust cover type Seal Resistance Value Seal types for seal resistance value None None None 19.60 UU Dedicated cap for the LM rail mounting hole Applicable to QZ Lubricator Lubrication method Grease brand Nipple, plumbing fixture type C...

导轨型号负荷方式滑块安装方向防止滚珠脱落用保持器球保持器滚珠 4方向等负荷型从上安装无无与LaCS配用可选用紧绷薄钢带/粘接薄钢带防尘罩形式密封垫片阻力值各种阻力值的密封垫片无无无 19.60 UU LM轨道安装孔专用防尘盖可配用QZ润滑装置润滑方式润滑脂品牌螺纹接口、配管接头型式 C12 无脂润滑。。。

Type of guide Loading method Block mounting direction Ball retainer Ball Cage Roller 4-way Equal Load Type Top surface mount Yes Yes LaCS is available Plate cover / steel tape is available Dust cover type Seal Resistance Value Seal types for seal resistance value Yes None Bellows 19.00 SS Dedicated cap for the LM rail mounting hole Applicable to QZ Lubricator Lubrication method Grease brand Nipple, plumbing fixture type...

导轨型号负荷方式滑块安装方向防止滚珠脱落用保持器球保持器滚子 4方向等负荷型从上安装有有与LaCS配用可选用紧绷薄钢带/粘接薄钢带防尘罩形式密封垫片阻力值各种阻力值的密封垫片有无软式伸缩护罩 18.00 SS LM轨道安装孔专用防尘盖可配用QZ润滑装置润滑方式润滑脂品牌预压等级 C5 有脂润滑，油润。。。

In the negative and interrogative forms, of course, this is identical to the non-emphatic forms.

。但是，在否定句或疑问句里，这种带有"do"的方法表达的效果却没有什么强调的意思。

Go down on one's knees;kneel down

屈膝跪下。。。下跪祈祷