... Aluminium was slowly wedging its way in the metal market. 当时铝正在慢慢地挤入金属市场。 aluminium sheath铝包皮 I hardly ever know that aluminium alloy could be as strong as steel. 我几乎从来不知道铝合金竟会和钢强度一样大。 ...
RF coaxial cable with gas expanded, PE insulation and aluminium tube sheath is mainly used in cable TV system as trunk and distrubution transmission lines.
铝管外导体物理发泡射频同轴电缆主要用于有线电视系统中作干线、配线传输线。
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When using the aluminium contained steel sheath, the harmf of aluminum to the properties of deposited metal can be limited to some extent.