The design and application situation about HZ typedustproof airtight cover is introduced.
简要介绍了HZ型防尘密闭罩的研究设计和工程应用情况。
2
We require this type of plastic buckets to be produced in a clean and dust-proof environment. However the new supplier does not have such a production facility.
我们要求这种塑料桶要在干净防尘的环境中生产，但是新的供应商没有这种生产条件。
3
Compound structure of safety - increased type, with functions of water - proofing, dust-proofing inside is arranged button, indicator, Ammeter of explosion-proof types.