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事故的分析处理要理守“四不放过原则”是()。
作业活动是组织内的日常活动,在作业层上,主要关注点是( )质量数据和信息。
超限货物装车后,应在(),油漆书写、刷印或粘贴“X级超限、X级超重”,或挂牌标识,并按规定在车辆上插挂货车表示牌。
活塞销在工作中主要承受()
下列影响喷射延迟角的因素的说法,不正确的是()。
男性,62岁,因刺激性咳嗽、痰中带血6个月,近1周发热就诊。检查证实右中肺支气管鳞癌,CT示右肺门淋巴结肿大。下列治疗欠合理的是()
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进入社区之初,社会工作者应分析社区基本情况,包括( )。
世界上最早记录哈雷彗星的国家是( )
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The most suitable pump for oily water separator feed duties is ().
The most suitable pump for oily water separator feed duties is ().
The ()pump is usually used as the bilge feed pump to an oily water separator.
The ()pump is usually used as the bilge feed pump to an oily water separator.
Which of the following pumps is most suitable for an oily water separator?()
Which of the following pumps is most suitable for an oily water separator?()
The pump used to send the bilge water into the oily water separator()the mixture...
The pump used to send the bilge water into the oily water separator()the mixture...
Nylon line is NOT suitable for().
()is not suitable for bagged cargo?