测量氧气压力时,不能使用()垫片或()化合物垫片;测量乙炔压力时,不得使用()垫片。因为它们均有发生爆炸的危险。
参考答案:浸油;有机;铜
My dog likes running _____ me. [ ]
A. around with
B. with around
C. around and
D. and around
1850TSS-320支持的最大LSPOAM实例数为20K。