safety head lamp 安全头灯
cylinder safety head 汽缸安全盖
safety cushion head 安全垫上盖
safety water head 安全水头
low head safety injection pump 低压安全注入泵
high head safety injection pump 高压安全注入泵
high head safety injection 高压安全注入
safety valve head 安全阀盖
Her spectacles were propped up on her gray head for safety.
为了安全起见,她把眼镜架在灰白的头上。
We also do this for the safety of students and teachers inside because sometimes the rocks hit people on the head.
警官松·素瓦那英策说道,他正站在一所法国殖民时期用黄砖盖的学校外面,"我们这样做也是为了里面师生的安全,因为有时候石块会打在人的头上。"
Richard T. Lahey Jr., G.E.’s former head of safety research for the type of boiling-water reactors installed at Daiichi, said restoring the emergency cooling pumps was crucial.
Richard T. Lahey Jr是通用电力安全调研部前任部长,负责福岛第一核电站的沸水反应器。 他认为重建应急冷却泵十分关键。
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