全液压传动挖掘机是指挖掘、回转、行走等主要机构的动作均为液压传动。
参考答案：对
By law，a user of marijuana shall be subject to（）.
A.loss of pay during the period of such use
B.reprimand by the US Coast Guard
C.revocation of license or certificate
D.termination of employment
