Instead of using composite and chemical synthesis technology, we import birch and beech from overseas and adopt Tenon plug structure to avoid or reduce the use of cementing compound.
我们取材进口天然桦木榉木原木,不使用科技复合技术木板及化工合成塑料板材,木架使用打榫插接构造,尽量减少或不使用胶粘剂。
Flame retardant selection and inflaming retarding principle are researched on winding cementing system of compound oxygen cylinder used for coal mine safe.
研究了煤矿安全用复合式氧气瓶缠绕胶接体系中阻燃剂的筛选及阻燃机理。
The multifunctional waterproof binder is made from silicate cementing material as base material, filler, active water-repellent material, compound binder, assistant and so on.
以硅酸盐无机胶凝材料为基料,加入填料、活性憎水材料、复合粘合剂及助剂等制成多功能防水粘结材料。
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