溜车不利条件 unfavorable condition for car rolling

My camera can be（）to take pictures in cloudy or sunny conditions.

In extreme weather conditions, either hot or cold, control of the air conditioning plant presents （） difficulties.

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）

My camera can be _____ to take pictures in cloudy or sunny conditions. ( )

In extreme weather conditions, either hot or cold, control of the air conditioning plant presents （） difficulties.

港口枢纽运输组织与铁路枢纽运输组织有何异同？

主要铁路枢纽站哈尔滨是（）、滨洲、哈吉等线起点，是东北主要铁路枢纽。

货运代理人是指专门经营海上、铁路、公路、航空等客货运输业务的运输企业。

铁路车站及枢纽的能力是铁路运输能力的主要组成部分。