茶树风害防御方法
参考答案:
1防风设施:防风林、防风障、防风网
2农业技术:强风害:抗风品种/多施P、K、培育壮苗/适当密植/降低高度/修剪
干热风害
风蚀害
The club, _____ 25 years ago, is holding a party for past and present members.
A.founding
B.founded
C.being found
D.to have found
长丝低配的配电相间电压为()。
A.220V
B.380V
C.660V
D.11000V