生物质能规模化利用的主要形式为()
A. 生物质能发电
B. 生物质产甲烷
C. 生物质焚烧
D. 生物质培养
Defective atomizer in a diesel engine will lead to().
A. smoky exhaust
B. starting failure
C. overload
D. over speed
Mariners must ascertain that deck loads are stowed in such a manner as().
A. to affect the vessel's stability
B. not to affect the vessel's stability
C. to keep the vessel on even keel
D. not to keep the vessel on even keel