吃水标志(载重线标志)安装精确性检查。
Inspecting fitting accuracy of draught mark (loading line mark).
这口在埃及阿斯旺附近的古井有几层楼深但仍然被阳光照射，井水标志着夏至的到来。
Several stories down but still sunlit, the waters of an ancient well near Aswan, Egypt, mark the arrival of the summer solstice.
这口在埃及阿斯旺附近的古井有几层楼深但仍然被阳光照射，井水标志着夏至的到来。
Several stories down but still sunlit, the waters of an ancient well near Aswan, Egypt, mark the arrival of the summer solstice.
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