arris-piece
... arrestment逮捕 arris-piece棱形楔 arrivalatport到港 ...
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桅杆棱形楔 arris piece
供应楔形棱镜 Wedge prisim
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在积木拼块中，至少包括一种是多边形柱体拼 块，该拼块的每一侧边上设有可与主壳体凸棱相楔合凹槽，或设有可与主壳 体凹槽相楔合的凸棱。
At least one kind of building block is polygon prism blocks which have grooves to fit for the protrusive arris or have grooves to fit for protrusive arris on the main shell body.
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