Customer will need to notify this company of Perforation Pattern when a PO is issued.
签发邮政汇票时，客户需告知本公司(其)打孔类型。
As a main completion pattern in current oil and gas Wells, the perforation has a large effect on their productivity.
射孔完井作为现在油气井的主要完井方式，其对油气井产能有着重要的影响。
As a main completion pattern in current oil and gas Wells, the perforation has a large effect on their productivity.
射孔完井作为现在油气井的主要完井方式，其对油气井产能有着重要的影响。
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