单项选择题
A.the saturation temperature is higher B.the higher the saturation temperature C.the higher is the saturation temperature D.the saturation temperature is more high
A hydraulic machine is one that uses （） to do work.A.li...
单项选择题A hydraulic machine is one that uses （） to do work.
A.liquid B.steam C.gas D.electricity
If oil density were greater than water’s, the oil separ...
单项选择题If oil density were greater than water’s, the oil separator （）.
A.did work B.would work well C.didnt work D.wouldnt work
Oil Record Book Part I shall be provided to every oil t...
单项选择题Oil Record Book Part I shall be provided to every oil tanker of 150 tons gross tonnage and above and every ship of 400 tons gross tonnage and above, （） oil tankers, to record relevant machinery space operations.
A.as well as B.as long as C.rather than D.other than
