In addition, the cover of the mobile phone is also provided with a pulling plate and a blocking plate.
此外,手机套的盖体还设有扳动片及挡片。
The invention relates to a bolting and welding combined double-amplitude pulling plate cable beam anchoring structure of a cable-stayed bridge.
本发明涉及一种斜拉桥栓焊组合式双幅拉板索梁锚固结构。
By the way, the pulling out force of seedling with and without root intertwisting phenomena outside seedling plate is test.
塑盘钵体育秧是抛秧之前必须做的一道工序,在这种育秧方式中,钵体苗的盘外盘根现象时有发生。
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