很多工程施工时需要开挖基坑。基坑降水是施工中一个难点。
While many projects were constructing, they need excavated foundation pit.
对于施工时需要稀释的涂料，包装标志上或产品说明书中应明确稀释比例。
The dilution rate shall be marked on package or user manual if paints need to be diluted during manufacturing process.
商业种植的领域非常广阔，需要成千上万个工时来运作。
Commercial growing fields are astronomically huge and take thousands of man-hours to operate.
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