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The rolling--ball flat--bottom mill shoe whose bottom face is overlaid with YD alloy is used to fully grind junks which is stuck downhole and impossible to be caught. Additionally, rolling balls which are dressed on cylinder face of mill shoe can guarantee the mill shoe not to mill casing inside wall during milling operation in hole.

滚球式平底磨鞋是用底面所堆焊的YD合金去全面磨碎那些卡死在井内无法打捞的钢铁落物，并且在磨鞋圆柱面上有可以起扶正作用的滚球，使磨鞋在井眼内工作时不磨铣套管内壁。

In view of easy fusion flaw between connecting of doubler strake and deck plating or bottom plating strengthened, this paper puts forward a fire-new welding technics for the purpose to improve the technics of welding connecting of doubler strake. Under the help of this way, connecting of doubler strake can be penetratingly fillet welded, but not fuse with deck plating or bottom plating strengthened, at the same time the figure of weld surface can also be managed for increasing fatigue strength of connecting.

本文针对复板条对接接头容易和被加强的甲板或船底板发生粘连的缺点，从改善复板条对接接头的工艺入手，提出了新的焊接工艺，使得复板条对接接头既能保证完全焊透，又不会和被加强的甲板或船底板发生粘连，同时对焊缝表面形状进行处理，以提高接头的疲劳强度。

The hull body fractured and broken at about 1/3 of the length from the stem and in way, the shell plating, upper deck plating, inner bottom plating and internal structural members within the scope of about 10m torn or destroyed; the remaining shell plating, upper deck plating, inner bottom plating and internal structural members seriously indented and buckled or bent and deformed in different degrees.

船体从船首起约 1/3 处折裂破断，该处船壳板，上甲板，内底板，内部构件在约 10 米范围内撕裂或损毁；其余船壳板，上甲板，内底板，内部构件严重凹陷，皱折或不同程度上弯曲变形。

The wear on the bottom of mill was heavier than on the side. The main worn form on the bottom of milling cutter was ploughing groove and diamond pull-out. The wear form on the side was flattening worn and diamond crushing.

刀具底面的磨损比侧面严重，刀具底面的磨损形式主要是犁沟，金刚石主要以脱落为主；侧面的磨损形式主要是磨平，金刚石颗粒以破碎为主。

The wear on bottom of mill is heavier than on side. Main worn form on bottom of mill is diamond fallen of bond and side is broken diamond.

刀具底面的磨损比侧面严重，底面金刚石主要以脱落为主，侧面金刚石磨损以冲击破碎为主。

With comparisons to several cases of block double-bottom construction, and on basis of the analyses of block assembly influence factors, the multistage fuzzy comprehensive assessment for double-bottom assembly case is presented.

通过对几种双层底分段建造方案比较，在分析影响选择分段装配方案若干因素的基础上，提出了双层底分段装配方案的多级模糊评判方法。

In fact, there is substantial controversy over whether it is better to leave contaminated sediments in place or to dredge and remove the sediments can have a serious impact on bottom-dwelling organisms, as often dramatically indicated by bottom-dwelling fish showing severe morphological impairments associated with exposure to toxic agents.

事实上，对于究竟应该把污染的沉淀物放于一处还是把它们捞取之后移到另一个地方更好一直有很大争议，就像海底的鱼当接触有毒药剂时显示严重的地貌缺陷一样，很明显的被污染的沉淀物也严重影响底层有机组织体。

It is important to make the mounting hardware for the load cell before drilling the holes in the bottom rail, otherwise the mounting holes in the bottom rail may not match up with the boltholes on the top rail.

这是很重要的，使越来越多的硬件负载细胞钻前孔在底部的铁，否则安装孔在底部的铁可能不匹配，与boltholes对顶端的铁路。

Get a plastic tray whose bottom has about 4 to 8 times the surface area of the board, and put about 1/4 of etchant in the bottom.

获得一个塑料托盘，其底部有大约4至8倍，比表面积的董事会，并把约1 / 4蚀刻在底部。

Semi-automatic balers: hydraulic-driven models are used, choose manual or automatic operation of PLC; hydraulic pump output oil pressure up to 21Mpa (210Kg/cm), oil cooling system with heat exchanger air cooling; installed without bottom feet screw, only the machine placed in the ground formed a good level of adjustment can be used; strapping manually adjust the length, packing for the manual form, the package automatically push out the package for the direct form; body organizations to adopt quality carbon structural steel welding system, base bottom and front gate feed additional wear plate to ensure durability; moving blade (V type SKD-11 resistant steel knife); push pressure from 100 to 250 tons with four levels, productivity, 4 tons / hour; charging box size and mass, shape and size can be customized according to user specifications and design materials.

半自动打包机：机型均采用液压驱动，可选择手动或PLC自动控制操作；油压泵输出油压最高达21Mpa（210Kg/cm，系统油液冷却采用热交换器风冷却；安装无须底脚螺丝，只须把机器安放在平整地面调校好水平便可使用；捆包长度为手动调整，捆包为手动形式，出包为直推自动出包形式；机体机构采用优质碳素结构钢焊制，机座底部及前方进料闸门附加耐磨钢板确保经久耐用；活动式裁刀（V型式SKD-11耐磨钢刀）；推压力从100吨至250吨有4个等级，生产率4吨/小时左右；加料箱尺寸和包块形状尺寸可根据用户原料规格设计定制。

I didn't watch TV last night, because it .

昨晚我没有看电视，因为电视机坏了。

Since this year, in a lot of villages of Beijing, TV of elevator liquid crystal was removed.

今年以来，在北京的很多小区里，电梯液晶电视被撤了下来。