这种线控开口器属于医学器械。
The control-by-wire mouth gag pertains to medical device field.
目的：介绍一种新型腭裂手术开口器。
Objective To introduce the newest type of mouth-gag for cleft palate palatorrhpy.
开口器用于在紧急急救时打开患者牙关紧闭的上下颚。
The mouth opener is intended for opening mouth in the first-aid.
本实用新型的简易玉米播种机利用直管、弹簧开口器及弹簧拉杆将玉米种子巧妙的送入土中并自动掩埋。
The simple corn planter of the utility model makes use of the straight pipe, the spring opener and the spring pull rod to skillfully deliver and automatically bury the corn seeds into the soil.
本实用新型的简易玉米播种机利用直管、弹簧开口器及弹簧拉杆将玉米种子巧妙的送入土中并自动掩埋。
The simple corn planter of the utility model makes use of the straight pipe, the spring opener and the spring pull rod to skillfully deliver and automatically bury the corn seeds into the soil.
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