plastic seat cover
... plastic sealing-packing equipment 塑料封装置置 plastic seat cover 塑料座套 plastic self-adhesive tape 塑料自粘胶带 ...
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塑料底座十级套装 plastic base ten sets
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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.
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