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double-hinged arch
meaning in English
两铰拱
双铰拱
Related Words
hinging
erection hinge
case hinge
firedoor hinge
hinged fairing
frictionless hinge
integral hinge
pintle hinge
doublespring hinge
hinged end
double-high mill
double-high rolling mill
double-hinged flat arch grider
double-hinged flat arched grider
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