upper&cover 上盖
Upper cover 上层覆盖 ; 前封面
heater upper cover 加热器上盖
upper cover of charger 充电器上盖
steam-cylinder upper cover 汽缸上盖
main valve chamber upper cover [铁路] 主阀室上盖
hot-water upper cover 热水筒上盖
UPPER COVER SCRAPER 上部盖刮刀
This is because middle- and upper- latitude timberlines are strongly influenced by the duration and depth of the snow cover.
这是因为中纬度和高纬度地区的林木线受到积雪存留时间和厚度的强烈影响。
Safety and easy operation: hidden air leaking hole for opening fixture cover easily while pulling up hand lever of the upper cover.
操作方便，安全：隐藏式泄气孔，拉起上盖把手即可打开治具，操作简易，安全性高。
It ADAPTS quick disassembling handle at the upper part of this machine. The handle connects the machine as the all and the one. its upper cover is seal fully.
本机上部采用快拆式手柄，把整机连成一个整体，上盖采用全密封、有效防止物料在过筛时由于振动而产生粉尘飞扬。
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