别坐那里像一块木头似的。
她把一个靠垫枕在他的头下，给他一点水喝。他拒绝喝水，又在靠垫上不舒服地翻来复去，好像那是块石头或是块木头似的。
She placed a cushion under his head, and offered him some water; he rejected the latter, and tossed uneasily on the former, as if it were a stone or a block of wood.
安装金刚石或PD C钻头时，钻头下面要铺上软席，木头或类似的材料。遵守制造商的指令操作此类设备。
Use soft matting, wood or similar material as base for making up diamond or Polycrystalline diamond Compact (PDC) bits. Follow manufacturer's instructions on handling such equipment.
应用推荐