AtleastonereinspectionshallbemadeoneachvesselholdingaCertificateofInspectionvalidfortwoyears.Thisinspectionshallbeheldbetweenthetenthandfourteenthmonthsofthedurationperiodofthecertificateandshallbe().
A. atthediscretionoftheinspector,butinnogreaterdetailthanrequiredfororiginalcertification
B. atthediscretionoftheinspector,butinnolesserdetailthanrequiredfororiginalcertification
C. generallysimilarinscopetotheinspectionrequiredforcertification,butinlessdetail
D. equivalenttotheinspectionrequiredforcertification
三期焦炉自动加热系统的原理是()
A. 热量计算前馈调节加热
B. 炉温反馈调节加热
C. 火落时间反馈调节加热
Theinternalpartoftheboiler,iffound(),hastobechemicallywashedbyyard.
A. deformed
B. rusted
C. cracked
D. scaled
下列关于C4植物光合作用的说法,错误的是()。
A. 3-磷酸甘油醛是CO固定的第一产物
B. 四碳酸是由维管束鞘细胞中的磷酸烯醇式丙酮酸羧化酶作用形成的
C. 比C植物有持续较低的CO水平
D. 双磷酸核酮糖释放的CO转移给磷酸烯醇式丙酮酸(PEP)