英德
有道
百度
谷歌
图片
维基
百科
膨胀螺丝 [péng zhàng luó sī]
anchoring
setscrew
setscrew
- 余姚市胜达电器仪表厂是一家专业生产PC压力表面，各式PE、PA塑料膨胀螺丝及各类塑料制品。
Yuyao Shengda Electric Factory is a professional manufacturer of PC stress surface, all kinds of PE, PA plastic expansion screws and all kinds of plastic products. - 在窗户上钉木板并不能进行有效保护，瓦楞铁或聚碳酸酯的膨胀螺丝防护罩还是有必要购买的。
Nailing plywood over windows doesn't provide much protection, Malik said. Corrugated metal or Lexan coverings with permanent anchoring systems are worth the investment, he said. - 按单件计价多针对高档实木楼梯，即按楼梯所有的部件报价，包括将军柱、大柱、小柱、栏杆、扶手、踏板、膨胀螺丝等。
By sheet valuation is aimed at stair of high-grade fact wood more, press stair namely all component quote, include general column, large post, columella , baluster, armrest, footplate, expand screw.
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