菲律宾的公主港地下河国家公园的主洞入口处，停靠着几只空空的桨船，在等待桨手的到来。
Empty paddle boats await rowers at the main cave entrance at Puerto Princesa Subterranean River National Park in the Philippines.
主起吊绞车和升降机系统可通过船底72英尺宽的洞，提升1，250吨重的管道和机械。
The main hoist winch and a system of elevators lift 1,250 tons of pipes and machinery through the 72 inches wide hole at the bottom of the boat.
老公要在我们的主浴室里装一个电灯开关，在墙上凿了个洞之后，他发现了一堆隐藏的瓶瓶鑵鑵。
My husband decided to install a light switch in our master bedroom. Cutting into the wall, he discovered a stash of bottles and boxes.
8月15日，本届车展的主赛事在圆石滩高尔夫球场18洞举行，共有1.5万参观者。
Fifteen thousand gawkers attend the main event on Aug. 15, set on the 18th hole of the Pebble Beach Golf Links.
在福州961人防工程乌山主通道工程施工中采用中洞先行的施工方法，地功地控制了地表变形，保证了地表建筑物的正常使用。
Center drift first construction method was adopted in Wushan main tunnel of Fuzhou 961 Civil Air Defence Work, and ground surface deformation was well controlled.
每台机组母线通过各自的母线洞与主变压器连接。
The omnibus bar of each set is connected with main transformer through its omnibus bar cave.
每台机组母线通过各自的母线洞与主变压器连接。
The omnibus bar of each set is connected with main transformer through its omnibus bar cave.
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