中间固定式塑料管线夹 Plastic cable and tubing clips with interfix hole
塑料导管式卫生棉 plastic tube sanitary napkin
研究了塑料管式安全鞭炮的制备原理和制备工艺，分析了APC引燃剂的主要性能。
The preparation principle and techniques of plastics-tubing safety fireworks are introduced, and the main characteristics of APC is tested.
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.
这是另一种离奇的思维式圣诞树，它由颜色各异的塑料管组成。
Here's another weird conceptual Christmas tree made out of different colours of plastic tubing.
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