查询词典 block ball

The cut-off valve with pilot valve without hand wheel, stem and lift nut inside will guide block and guide slot Butterfly Valves to guide sleeve, the disc-shaped disc to disc type bowl shape, and holes in the bottom of the flap valve to open, the valve cover of the original valve stem hole to hole diversion, because of increased pressure ring, ring, and the valve flap to class mortar, so that the flow passage separated the upper chamber cavity, external cavity, cavity, in the cavity and The external cavity increases with draft tube and stainless steel manual ball valve, flap valve in the cover plate and the center of the end of installing the spring, the upper flap valve install compression seal of the pressure ring, outside the cavity of the wall to open a Drainage holes.

带先导球阀的截止阀无手轮、阀杆和内升降螺母，将导向块与导向槽改为导向套，将盘形阀瓣改为类钵体形阀瓣，并在底部开阀瓣孔，电动蝶阀将阀盖原阀杆孔改为导流孔，因增加压环、密封圈和将阀瓣改为类钵体，使上通流腔分隔为上腔、外腔、内腔，在上腔与外腔的外部加设有导流管与不锈钢手动球阀，在盖板与阀瓣底的中心部加设弹簧，阀瓣上部加设压紧密封圈的压环，在外腔的壁上开有放水孔。

Split Plummer block, whose cap and base can be separated, mainly bear radial load. It fits for self-aligning spherical roller bearings or self-aligning spherical ball bearing.

轴承座知识剖分式轴承座的上盖和底座可分离，主要承受径乡向载荷，适合于圆柱孔和圆锥孔的调心滚子轴承和调心球轴承。

This project uses the large-scale colored engineering plastics pipeline, the software building block, the pulley, the single-plank bridge, the sea ball, the boxing bag, movement equipments and so on recreation bouncer, both security and stimulation and interesting, it can display and raise youth's power of thought fully and overcomes the difficult positive enterprising spirit, can play exercises body's role, is the youth hundred plays does not tire, very likes amusement facility.

该项目采用大型彩色工程塑料管道，软体积木，滑车，独木桥，海洋球，拳击袋，蹦床等运动器材，既安全又刺激和趣味性，它能充分发挥和培养少年儿童的思维能力和克服困难积极进取的精神，能起到锻炼身体的作用，是少年儿童百玩不厌，十分喜欢的游乐设施。

The slipper block is installed with retainer for blocking steel balls.Withe this,steel ball won't come off even after guiding rail is pulled out.

滑块上安装了保持器挡住钢球，即使抽出导轨，钢球也不致脱落。

The ball mill grade was employed to remove ore block and coarse sand in agitation leaching.

利用球磨分级消除搅拌浸出中的矿块及粗砂，用浓密机进行洗涤澄清，实现浸出的流水作业，可成倍提高生产能力。

Objective To investigate the effects of interleukin-1 β converting enzyme gene on the biologic characteristics of ovarian cancer cells.

目的 探讨白细胞介素-1 β转换酶的表达，对卵巢癌细胞生物学特性的影响。

Campylobacter: This illness is the most commonly identified cause of diarrheal illness in the world.

弯曲：这种病是最常见的原因查明腹泻病，在世界上。