聚乙烯鞍形溶解连接的合格证明的英文

standard practice for qualification of polyethylene saddle-fused joints

• 聚乙烯:    polyethylene; poly ...
• 鞍:    saddle; sella
• 形:    form; shape
• 溶解:    dissolve; dissolut ...
• 连接:    connect; fit toget ...
• 的:    4次方是 The fourth po ...
• 合格证:    certificate of sou ...
• 明:    bright; brilliant; ...