The paper introduces the anticlastic and water-tight performance of low content polypropylene fiber concrete.
本文介绍了低含量聚丙烯纤维混凝土的抗弹性和防水性能。
That means telecoms can finally put fiber-optic lines into people’s homes, where cables often run up against right angles and tight squeezes from the sidewalk to the house.
这意味着电信公司终于可以把光纤铺进千家万户了——在市内电缆经常要沿着墙角拐许多弯并被紧订在墙上。
Such tight multilayer structure is to protect the fiber to prevent fracture and to prevent the intrusion of sea water.
这样严密多层的结构是为了保护光纤、防止断裂以及防止海水的侵入。
Cascade fuse in normal operation, melting molten silk fiber tube with a tight formed after the position.
跌落式熔断器在正常运行时，熔丝管借助熔丝张紧后形成闭合位置。
Cascade fuse in normal operation, melting molten silk fiber tube with a tight formed after the position.
跌落式熔断器在正常运行时，熔丝管借助熔丝张紧后形成闭合位置。
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