Condensate must be drained from the intercooler and after-coolers of an air compressor because （）.
1、The members in the Senate must be at l
The members in the Senate must be at least （）years old and those in the Representative （）years old.A40，30B30，26C30，25
2、What speeds must be disabled in a mixe
What speeds must be disabled in a mixed 802.11b/g WLAN to allow only 802.11g clients to connect?（）A6，9，12，18B1，2，5.5，6C5.5，6，9，11D1，2，5.5，11
3、It can be felt from the description in
It can be felt from the description in the 2nd paragraph that the author 根据以下资料，回答下面的题目。Snowflakes What does Profe...
4、A signal of intent must be sounded in
A signal of intent must be sounded in international waters by（）.Aa vessel meeting another head-onBa vessel overtaking another in a narrow channelCa vessel crossing the course of anotherDthe give-way vessel in a crossing situatio
5、In a diesel engine, fuel must be broke
In a diesel engine, fuel must be broken up into a spray of fine droplets to （）.Aincrease its qualityBobtain complete burningCreduce its weightDall of the above
6、The oil is drawn from a drain tank thr
The oil is drawn from a drain tank through （）, one of a pair of pumps, into one of fine filters.Aa strain tankBa head tankCa service tankDa strainer