hand-held drill 手提式钻孔机 ; 手持式风钻 ; 手操器
hand held drill 手持式凿岩机
hand-held rock drill [矿业] [建] 手持式凿岩机
hand-held air drill 手持式风钻
hanyd-held drill 手提式钻孔机
held rock drill 手持式凿岩机
hand held electric drill 手持式电钻 ; 手提电钻
Vietnam then held a live military drill on the disputed zone, apparently sending a message to China.
越南则在有争议的区域举行了现场军事演习,显然是在给中国发送某种讯息。
A national drill was held in 2007 after a tsunami had killed over 20 people in the Solomon Islands.
上一次海啸在所罗门群岛造成二十多人丧生后,2007年曾举办全国性防灾演习。
The Vietnamese Navy held a live fire drill throughout Monday, bringing recent tension with China to a new high.
越南海军本周一举行了实弹射击演习,使其与中国最近的紧张关系上升到一个新高度。
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