Palestinian rocket fire at Israel is testing a shaky ceasefire in the Hamas-ruled Gaza Strip.
巴勒斯坦人向以色列发动火箭袭击正在考验在哈马斯统治的加沙地带实施的脆弱停火。
2
The volume of raw materials that strip, wire, flux. Before we put into rigorous physical and chemical testing.
原材料即带钢卷，焊丝，焊剂。在投入前都要经过严格的理化检验。
3
The edge crack on Q345B wide strip steel was analyzed by means of chemical composition analysis, mechanical property testing, micro metallographical examination.