a quantity of water pipes is/ are?
a quantity of water pipes is/ are?
a quantity of
关于a quantity of
英语翻译It is a big supplier of steel pipes in China.Set up in 2
a quantity of quantities of
英语翻译We are looking producers of aluminum seamless pipes.dia.
5 moles of water are formed.This is equivalent to a mass of?
a plenty of 和 a quantity of
The water pipes had__and the house was under two feet of wat
There (are\is) a box of apples and a glass fo water on the d
请求英译中1.A person who connects and repairs water pipes,baths a
the philippines surrounded by a world of sea water用is还是用are