which saves weight
这样可以减轻重量
以上为机器翻译结果，长、整句建议使用 人工翻译 。
The sheet has the advantages that since the sheet has light weight, the sheet can be easily arranged at required position, which saves arrangement time and man-hour cost;
重量轻，可轻易 装设至所需的位置，节省装设时间及工时成本；
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