它将封隔器与伸缩管设计成一体，采用V形膨胀石墨密封圈组成密封系统，确保伸缩管热力伸长时封隔器的密封性。
The packer and telescopic tube are designed to a whole body and V-shaped inflatable graphite sealing ring is used to form the sealing system, ensuring the sealing performance of.
阐明了用密封催化消解法测量水样时可能带来系统误差的器械原因：当消解管生产加工的精度不高时会带来系统误差。
The appliance reasons that can result in the system error when measuring water samples using catalysis-digestion-sealed method were illustrated in this paper.
塑料管道系统。玻璃纤维增强式热固性塑料元件。检验带有弹性密封件的刚性锁定管座套筒接头设计的试验方法。
Plastics piping systems. glass - reinforced thermosetting plastics components. test methods to prove the design of rigid locked socket - and - spigot joints with elastomeric seals.
为了使矮烟罩硅铁电炉的加料系统能满足生产需要，对原加料系统中的旋转料管和加料机以及加料管的密封进行了设计改造。
The design and transformation of rotating feed tube and charger of original feed system of FeSi furnace with low hood are conducted to meet the need of the production.
象液体过滤在液压系统里的改变，增加安装一个止回环，减小速度和温度，改进表面，修复破损的密封管。
Changes in the hydraulic system like filtration of fluids, installation of additional back-up rings, reducing speed and temperature, improving surface finish, repairing worn-out glands.
象液体过滤在液压系统里的改变，增加安装一个止回环，减小速度和温度，改进表面，修复破损的密封管。
Changes in the hydraulic system like filtration of fluids, installation of additional back-up rings, reducing speed and temperature, improving surface finish, repairing worn-out glands.
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