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受限空间作业时,打开通风孔,必要时采用什么措施?
起源于德国,被称为“传统型”劳动保险模式或自保公助型的社会保险模式是()
下列关于气质的认识。正确的是哪些?()
现代古史辨学派的创始人是()
水稻种子萌发时,表现出“干长根,湿长芽”现象的原因何在?
露点试验中,不能使用下列温度计()。
莱菔子治咳喘痰多、胸闷兼食少,是取其什么功效()
微机售票员班前应做哪些准备工作?
“职能鉴定论”的核心观点,就是档案文件的价值取决于产生机关的职能及其在政府机关体系中的等级地位。
长度不小于300m的隧道,起爆站应设在洞口侧面()以外。
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freeboard()
The Certificate of Freeboard is the ().
The freeboard is more than 9 metres. ()
()refers to the paint on the freeboard.
If the freeboard is more than 9 meters, we should rig().
If the freeboard is less than 9 meters, we should rig().
Freeboard is measured from the upper edge of the().
Freeboard is measured from the upper edge of the().
Freeboard is measured from the upper edge of the().
The amount of freeboard which a ship possesses has a tremendous effect on its().