英语语法分析

Suitable for the welding of sour, alkalescence welding rod.

适用酸、碱性焊条的焊接。

Methods: Using alkalescence dyestuff as active substance, chlorobenzene as solvent and PVC as inertia backstop.

方法：以碱性染料苦酮酸盐为电活性物质，氯苯作溶剂，PVC为隋性支持体。

The high alkalescence inside the concrete will form a passivation membrane for the rebar surface to protect it from being corroded.

混凝土内部的高碱性能使钢筋表面形成一层钝化膜，保护钢筋免受锈蚀。