Heavy wires can be welded singly to metal base parts.

粗线能单独和金属基体部件焊接在一块.

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Fix plastics base and metal base on the metope with ST 4.2 screws.

用ST4.2螺丝将塑料底座和金属底座一块固定在墙面上.

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A series of improving technical Methods: Were addressed for arising the quality of annealed metal base.

为提高金属坯条光亮退火的质量,提出了一系列工艺改进的方法.

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