正确答案: C

The sounding rod

题目：_____ shows 1.2 meter and the specific gravity of the oil is 0.96According to the measuring scale, that makes 150 tons.

解析：C

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学习资料的答案和解析：

[单选题]The dockers are busy ________ their work

with

[单选题]物质燃烧时产生大量的烟，各不同物质产生烟的颜色也不同，而石油产品燃烧时通常产生的烟是

浓黑色

[单选题]部分封闭式救生艇的结构特点是（）

便于登乘、操作、避免了人员暴露、倾覆后人员不易逃离

[单选题]STCW78/95公约新增的培训项目有＿。

模拟器

[单选题]按岗位责任制＿不用参加轮机部的安全值班工作。

轮机长

[单选题]Low compressor head pressure in a refrigeration system can be caused by ___.

excessive condenser cooling water

[单选题]You are attempting to parallel two AC generators and the synchroscope pointer is revolving in the slow direction. This indicates that the frequency of the incoming machine is

lower than the bus frequency

[单选题]伤员运输中，对神志不清、危重伤员要随时注意其______是否畅通。

呼吸道

[单选题]在四冲程柴油机中，曲轴转角大于180°的行程有()

A+C