螺旋拉紧器适用于120米以内的小功率的水平型新式输送机。
参考答案：对
That's _____ car. It's _____ English car. [ ]
A.a, an
B.a, a
C.an, a
汉译英：“兽医证书；卫生证书”，正确翻译为( )。
A. sanitary certificate; veterinary certificateB. veterinary certificate; sanitary certificateC. disinfection certificate; inspection certificateD. inspection certificate; disinfection certificate
