总吨位

• The international safety management ( ism ) code was adopted by the international maritime organisation ( imo ) in november 1993 and became applicable starting july 1 , 1998 , to passenger ships including passenger high - speed craft ( hsc ) , oil and chemical tankers , gas carriers , bulk carriers , high - speed cargo vessels of 500 gross registered tonnes ( grt ) and over
  《国际安全管理规则》于一九九三年十一月获国际海事组织通刮垃由一九九八年七月一日起适用于客船，包括载客高速船在内，以及所有总吨位达到或超过500吨的油轮、化学品液货船、气体运输船、散装货轮和载货高速船。