tongue and groove造句怎么写
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Integral steel pipe flanges with tongue and groove face for PN4.0MPa(40 bar)
They made joints in stone keeping the lintels in place horizontally using a tongue and groove joint and subsequently fixing the upright and lintel with a ball and socket joint or mortice and tenon.
Steel pipe blank flanges with tongue and groove face for PN 15.0MPa (150 bar)
join tongue and groove, in carpentry.
Hubbed slip-on-welding steel pipe flanges with tongue and groove face for PN 5.0MPa (50 bar)
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