UC知道请高手翻译一下下面的英文,关于管子打孔的
来源：百度知道 编辑：UC知道 时间：2024/05/19 15:08:28
The liner shall be perforated with drilled holes ½” – ¾” diameter. The holes shall be not closer than 1000 mm (+300 / -0 mm) from the box or pin end.
The supplier will proposed a hole pattern that results in a percentage open area of approximately 5 %. The Supplier must deliver drawing for approval before perforation commences.
The supplier will proposed a hole pattern that results in a percentage open area of approximately 5 %. The Supplier must deliver drawing for approval before perforation commences.
班轮应穿孔与钻孔½ “ -¾ ”直径。孔应不密切，超过1000毫米（ 300 / -0毫米）从盒子或PIN结束。
供应商届时将会提出了一个洞，模式结果在一个开放的百分比，面积大约5 ％ 。供应商必须提供绘图批准之前，穿孔展开。