A vessel using a traffic separation scheme shall so far as practicable（）a traffic separation line or separation zone.

It should be apparent that little or nothing is gained by opening a drain at the same time as or after admitting steamThe above sentence probably means （）.

Through a （） pump, the liquid is transferred from the suction to the discharge by the mechanical variation of the volume of a chamber or chambers.

Project（71）is an uncertain event or condition that，if it occurs，has a positive or a negative effect on at least one project objective，such as time，cost，scope，or quality．

Project ______is an uncertain event or condition that，if it occurs，has a positive or a negative effect on at least one project objective，such as time，cost，scope，or quality．

● Project（71）is an uncertain event or condition that, if it occurs, has a positive or a negative effect on at least one project objective, such as time, cost, scope, or quality.（71）

（） are individuals and organizations that are actively involved in the project, or whose interests may be affected as a result of project execution or project completion.

（75）are individuals and organizations that are actively involved in the project，or whose interests may be affected as a result of project execution or project completion.

are individuals and organizations that are actively involved in the project，or whose interests may be affected as a result of project execution or project completion．

（） are individuals and organizations that are actively involved in the project, or whose interests may be affected as a result of project execution or project completion.

A mark or place at which a vessel comes under obligatory entry，transit，or escort procedure is know as（）.

Damage to cargo caused by fumes or vapors from liquids，gases，or solids is known as（）.