soft sealing gate valve 软密封闸阀
soft sealing plunger 软密封柱塞
soft sealing packing 密封软填料
layer shearing soft sealing material 层状剪切式软填料
plastic soft tube filling-sealing machine 塑料软管灌封机
soft and hard double-sealing structure 软硬双重密封
plastic soft tube filling-sealing machellone 分子化合物塑料软管灌封机
Adopts the fireproof structure. Even if the soft sealing material is burned, the metal seal still takes effect.
采用防火结构，即使软密封材料烧损，金属密封仍能起到作用。
The soft sealing isolation technology is suitable for casing deformation well, corrosion control of commingled injection well and isolating injection water.
该软封具有施工简单、隔离性能好、有效期长和可用于套管变形井等特点，适用于合注井的防腐保护液与注入水隔离。
New type sealing material CMS2000 packing layer shearing soft sealing material to technically improve the filler seal of centrifugal circulation water pumps.
采用新型密封材料——艾志黑色CMS2000层状剪切式软填料对离心式循环水泵填料密封进行了技术改造。
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