spigot and socket fittings wiih 弹性密封圈承插式管件
Forged steel socket-welded fittings 锻钢制承插焊管件
Steel socket-welding pipe fittings 钢制套筒式焊接管配件
This standard covers the procedures for the heat joining of pipe and fittings made from polyolefin materials utilizing either the socket or butt fusion methods.
这个标准涵盖采用承插热熔和对焊热熔方法对聚烯烃材料管道和连接件进行热连接的程序。
They formerly covered only Socket Type fittings.
它们以前仅仅涵盖承插类型连接件。
Handan Tonghe Fastener manufacturing co. Ltd. is a company specialized in manufacturing fittings for spark plug, inner expansion bolts, drop-in anchor, socket wrench, nuts and screws.
邯郸市通和紧固件制造有限公司，是一家专业生产火花塞配件、内爆膨胀螺丝、内迫壁虎、套筒扳手、螺母、扣件螺丝的专业公司。
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